Home / 165,091.10-247,636.65-40,432.10

Finding the Fourth Proportional to 165,091.10, 247,636.65 and 40,432.10

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Solution

The fourth proportional to 165,091.10, 247,636.65 and 40,432.10 is: 60,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,091.10 : 247,636.65 = 40,432.10 : x
  2. Step 2: Convert to fraction form
    165,091.10/247,636.65 = 40,432.10/x
  3. Step 3: Cross multiply
    165,091.10x = 247,636.65 × 40,432.10
  4. Step 4: Simplify right side
    165,091.10x = 10,012,469,796.47
  5. Step 5: Solve for x
    x = 10,012,469,796.47/165,091.10
  6. Step 6: Final answer
    x = 60,648.15

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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.