Home / 165,137.30-227,892.12-89,685.80

Finding the Fourth Proportional to 165,137.30, 227,892.12 and 89,685.80

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Solution

The fourth proportional to 165,137.30, 227,892.12 and 89,685.80 is: 123,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137.30 : 227,892.12 = 89,685.80 : x
  2. Step 2: Convert to fraction form
    165,137.30/227,892.12 = 89,685.80/x
  3. Step 3: Cross multiply
    165,137.30x = 227,892.12 × 89,685.80
  4. Step 4: Simplify right side
    165,137.30x = 20,438,687,095.90
  5. Step 5: Solve for x
    x = 20,438,687,095.90/165,137.30
  6. Step 6: Final answer
    x = 123,767.84

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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.