Home / 149,750.76-206,654.46-81,767.52

Finding the Fourth Proportional to 149,750.76, 206,654.46 and 81,767.52

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Solution

The fourth proportional to 149,750.76, 206,654.46 and 81,767.52 is: 112,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,750.76 : 206,654.46 = 81,767.52 : x
  2. Step 2: Convert to fraction form
    149,750.76/206,654.46 = 81,767.52/x
  3. Step 3: Cross multiply
    149,750.76x = 206,654.46 × 81,767.52
  4. Step 4: Simplify right side
    149,750.76x = 16,897,622,691.14
  5. Step 5: Solve for x
    x = 16,897,622,691.14/149,750.76
  6. Step 6: Final answer
    x = 112,838.31

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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.