Home / 156,977.52-216,624.24-89,000.70

Finding the Fourth Proportional to 156,977.52, 216,624.24 and 89,000.70

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Solution

The fourth proportional to 156,977.52, 216,624.24 and 89,000.70 is: 122,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.52 : 216,624.24 = 89,000.70 : x
  2. Step 2: Convert to fraction form
    156,977.52/216,624.24 = 89,000.70/x
  3. Step 3: Cross multiply
    156,977.52x = 216,624.24 × 89,000.70
  4. Step 4: Simplify right side
    156,977.52x = 19,279,708,996.97
  5. Step 5: Solve for x
    x = 19,279,708,996.97/156,977.52
  6. Step 6: Final answer
    x = 122,818.28

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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.