Home / 156,816.38-216,419.78-88,854.96

Finding the Fourth Proportional to 156,816.38, 216,419.78 and 88,854.96

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Solution

The fourth proportional to 156,816.38, 216,419.78 and 88,854.96 is: 122,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,816.38 : 216,419.78 = 88,854.96 : x
  2. Step 2: Convert to fraction form
    156,816.38/216,419.78 = 88,854.96/x
  3. Step 3: Cross multiply
    156,816.38x = 216,419.78 × 88,854.96
  4. Step 4: Simplify right side
    156,816.38x = 19,229,970,895.11
  5. Step 5: Solve for x
    x = 19,229,970,895.11/156,816.38
  6. Step 6: Final answer
    x = 122,627.31

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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.