Home / 165,145.47-227,901.92-89,693.97

Finding the Fourth Proportional to 165,145.47, 227,901.92 and 89,693.97

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Solution

The fourth proportional to 165,145.47, 227,901.92 and 89,693.97 is: 123,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,145.47 : 227,901.92 = 89,693.97 : x
  2. Step 2: Convert to fraction form
    165,145.47/227,901.92 = 89,693.97/x
  3. Step 3: Cross multiply
    165,145.47x = 227,901.92 × 89,693.97
  4. Step 4: Simplify right side
    165,145.47x = 20,441,427,526.95
  5. Step 5: Solve for x
    x = 20,441,427,526.95/165,145.47
  6. Step 6: Final answer
    x = 123,778.31

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1.5x scale

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.