Home / 156,711.30-216,266.52-88,727.10

Finding the Fourth Proportional to 156,711.30, 216,266.52 and 88,727.10

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Solution

The fourth proportional to 156,711.30, 216,266.52 and 88,727.10 is: 122,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.30 : 216,266.52 = 88,727.10 : x
  2. Step 2: Convert to fraction form
    156,711.30/216,266.52 = 88,727.10/x
  3. Step 3: Cross multiply
    156,711.30x = 216,266.52 × 88,727.10
  4. Step 4: Simplify right side
    156,711.30x = 19,188,701,146.69
  5. Step 5: Solve for x
    x = 19,188,701,146.69/156,711.30
  6. Step 6: Final answer
    x = 122,446.19

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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.