Home / 156,701.32-216,244.02-89,629

Finding the Fourth Proportional to 156,701.32, 216,244.02 and 89,629

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Solution

The fourth proportional to 156,701.32, 216,244.02 and 89,629 is: 123,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.32 : 216,244.02 = 89,629 : x
  2. Step 2: Convert to fraction form
    156,701.32/216,244.02 = 89,629/x
  3. Step 3: Cross multiply
    156,701.32x = 216,244.02 × 89,629
  4. Step 4: Simplify right side
    156,701.32x = 19,381,735,268.58
  5. Step 5: Solve for x
    x = 19,381,735,268.58/156,701.32
  6. Step 6: Final answer
    x = 123,685.85

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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.