Home / 136,884.92-188,899.19-76,456.44

Finding the Fourth Proportional to 136,884.92, 188,899.19 and 76,456.44

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Solution

The fourth proportional to 136,884.92, 188,899.19 and 76,456.44 is: 105,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,884.92 : 188,899.19 = 76,456.44 : x
  2. Step 2: Convert to fraction form
    136,884.92/188,899.19 = 76,456.44/x
  3. Step 3: Cross multiply
    136,884.92x = 188,899.19 × 76,456.44
  4. Step 4: Simplify right side
    136,884.92x = 14,442,559,204.00
  5. Step 5: Solve for x
    x = 14,442,559,204.00/136,884.92
  6. Step 6: Final answer
    x = 105,508.77

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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.