Home / 132,098.31-182,296.70-77,635.86

Finding the Fourth Proportional to 132,098.31, 182,296.70 and 77,635.86

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Solution

The fourth proportional to 132,098.31, 182,296.70 and 77,635.86 is: 107,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,098.31 : 182,296.70 = 77,635.86 : x
  2. Step 2: Convert to fraction form
    132,098.31/182,296.70 = 77,635.86/x
  3. Step 3: Cross multiply
    132,098.31x = 182,296.70 × 77,635.86
  4. Step 4: Simplify right side
    132,098.31x = 14,152,760,691.48
  5. Step 5: Solve for x
    x = 14,152,760,691.48/132,098.31
  6. Step 6: Final answer
    x = 107,138.09

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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.