Home / 156,713.32-216,269.28-88,729.12

Finding the Fourth Proportional to 156,713.32, 216,269.28 and 88,729.12

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Solution

The fourth proportional to 156,713.32, 216,269.28 and 88,729.12 is: 122,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,713.32 : 216,269.28 = 88,729.12 : x
  2. Step 2: Convert to fraction form
    156,713.32/216,269.28 = 88,729.12/x
  3. Step 3: Cross multiply
    156,713.32x = 216,269.28 × 88,729.12
  4. Step 4: Simplify right side
    156,713.32x = 19,189,382,897.43
  5. Step 5: Solve for x
    x = 19,189,382,897.43/156,713.32
  6. Step 6: Final answer
    x = 122,448.96

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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.