Home / 165,013.74-227,712.87-89,560.62

Finding the Fourth Proportional to 165,013.74, 227,712.87 and 89,560.62

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Solution

The fourth proportional to 165,013.74, 227,712.87 and 89,560.62 is: 123,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013.74 : 227,712.87 = 89,560.62 : x
  2. Step 2: Convert to fraction form
    165,013.74/227,712.87 = 89,560.62/x
  3. Step 3: Cross multiply
    165,013.74x = 227,712.87 × 89,560.62
  4. Step 4: Simplify right side
    165,013.74x = 20,394,105,819.18
  5. Step 5: Solve for x
    x = 20,394,105,819.18/165,013.74
  6. Step 6: Final answer
    x = 123,590.35

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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.