Home / 165,020.88-227,732.94-89,569.20

Finding the Fourth Proportional to 165,020.88, 227,732.94 and 89,569.20

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Solution

The fourth proportional to 165,020.88, 227,732.94 and 89,569.20 is: 123,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,020.88 : 227,732.94 = 89,569.20 : x
  2. Step 2: Convert to fraction form
    165,020.88/227,732.94 = 89,569.20/x
  3. Step 3: Cross multiply
    165,020.88x = 227,732.94 × 89,569.20
  4. Step 4: Simplify right side
    165,020.88x = 20,397,857,249.45
  5. Step 5: Solve for x
    x = 20,397,857,249.45/165,020.88
  6. Step 6: Final answer
    x = 123,607.74

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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.