Home / 165,046.60-247,569.90-40,387.60

Finding the Fourth Proportional to 165,046.60, 247,569.90 and 40,387.60

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Solution

The fourth proportional to 165,046.60, 247,569.90 and 40,387.60 is: 60,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,046.60 : 247,569.90 = 40,387.60 : x
  2. Step 2: Convert to fraction form
    165,046.60/247,569.90 = 40,387.60/x
  3. Step 3: Cross multiply
    165,046.60x = 247,569.90 × 40,387.60
  4. Step 4: Simplify right side
    165,046.60x = 9,998,754,093.24
  5. Step 5: Solve for x
    x = 9,998,754,093.24/165,046.60
  6. Step 6: Final answer
    x = 60,581.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.