Home / 171,650-257,475.36-73,154

Finding the Fourth Proportional to 171,650, 257,475.36 and 73,154

Calculator

Solution

The fourth proportional to 171,650, 257,475.36 and 73,154 is: 109,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,650 : 257,475.36 = 73,154 : x
  2. Step 2: Convert to fraction form
    171,650/257,475.36 = 73,154/x
  3. Step 3: Cross multiply
    171,650x = 257,475.36 × 73,154
  4. Step 4: Simplify right side
    171,650x = 18,835,352,485.44
  5. Step 5: Solve for x
    x = 18,835,352,485.44/171,650
  6. Step 6: Final answer
    x = 109,731.15

Related Problems

Find fourth proportional to 85,825, 128,737.68 and 36,577
Half scale
Find fourth proportional to 343,300, 514,950.72 and 146,308
Double scale
Find fourth proportional to 171,651, 257,476.86 and 73,155
Similar ratio
Find fourth proportional to 257,475, 386,213.04 and 109,731
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.