Home / 156,515.28-216,001.79-88,532.29

Finding the Fourth Proportional to 156,515.28, 216,001.79 and 88,532.29

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Solution

The fourth proportional to 156,515.28, 216,001.79 and 88,532.29 is: 122,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,515.28 : 216,001.79 = 88,532.29 : x
  2. Step 2: Convert to fraction form
    156,515.28/216,001.79 = 88,532.29/x
  3. Step 3: Cross multiply
    156,515.28x = 216,001.79 × 88,532.29
  4. Step 4: Simplify right side
    156,515.28x = 19,123,133,112.80
  5. Step 5: Solve for x
    x = 19,123,133,112.80/156,515.28
  6. Step 6: Final answer
    x = 122,180.61

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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.