Home / 138,411.04-207,645.78-44,909.56

Finding the Fourth Proportional to 138,411.04, 207,645.78 and 44,909.56

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Solution

The fourth proportional to 138,411.04, 207,645.78 and 44,909.56 is: 67,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,411.04 : 207,645.78 = 44,909.56 : x
  2. Step 2: Convert to fraction form
    138,411.04/207,645.78 = 44,909.56/x
  3. Step 3: Cross multiply
    138,411.04x = 207,645.78 × 44,909.56
  4. Step 4: Simplify right side
    138,411.04x = 9,325,280,615.66
  5. Step 5: Solve for x
    x = 9,325,280,615.66/138,411.04
  6. Step 6: Final answer
    x = 67,373.82

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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.