Home / 195,200-269,376-105,776

Finding the Fourth Proportional to 195,200, 269,376 and 105,776

Calculator

Solution

The fourth proportional to 195,200, 269,376 and 105,776 is: 145,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,200 : 269,376 = 105,776 : x
  2. Step 2: Convert to fraction form
    195,200/269,376 = 105,776/x
  3. Step 3: Cross multiply
    195,200x = 269,376 × 105,776
  4. Step 4: Simplify right side
    195,200x = 28,493,515,776
  5. Step 5: Solve for x
    x = 28,493,515,776/195,200
  6. Step 6: Final answer
    x = 145,970.88

Related Problems

Find fourth proportional to 97,600, 134,688 and 52,888
Half scale
Find fourth proportional to 390,400, 538,752 and 211,552
Double scale
Find fourth proportional to 195,201, 269,377.38 and 105,777
Similar ratio
Find fourth proportional to 292,800, 404,064 and 158,664
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.