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Finding the Fourth Proportional to 95,898.99, 132,397.31 and 85,259.18

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Solution

The fourth proportional to 95,898.99, 132,397.31 and 85,259.18 is: 117,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,898.99 : 132,397.31 = 85,259.18 : x
  2. Step 2: Convert to fraction form
    95,898.99/132,397.31 = 85,259.18/x
  3. Step 3: Cross multiply
    95,898.99x = 132,397.31 × 85,259.18
  4. Step 4: Simplify right side
    95,898.99x = 11,288,084,996.52
  5. Step 5: Solve for x
    x = 11,288,084,996.52/95,898.99
  6. Step 6: Final answer
    x = 117,708.07

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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.