Home / 216,725.76-325,088.64-105,840

Finding the Fourth Proportional to 216,725.76, 325,088.64 and 105,840

Calculator

Solution

The fourth proportional to 216,725.76, 325,088.64 and 105,840 is: 158,760

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,725.76 : 325,088.64 = 105,840 : x
  2. Step 2: Convert to fraction form
    216,725.76/325,088.64 = 105,840/x
  3. Step 3: Cross multiply
    216,725.76x = 325,088.64 × 105,840
  4. Step 4: Simplify right side
    216,725.76x = 34,407,381,657.60
  5. Step 5: Solve for x
    x = 34,407,381,657.60/216,725.76
  6. Step 6: Final answer
    x = 158,760

Related Problems

Find fourth proportional to 108,362.88, 162,544.32 and 52,920
Half scale
Find fourth proportional to 433,451.52, 650,177.28 and 211,680
Double scale
Find fourth proportional to 216,726.76, 325,090.14 and 105,841
Similar ratio
Find fourth proportional to 325,088.64, 487,632.96 and 158,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.