Home / 138,266.46-207,429.93-44,781.66

Finding the Fourth Proportional to 138,266.46, 207,429.93 and 44,781.66

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Solution

The fourth proportional to 138,266.46, 207,429.93 and 44,781.66 is: 67,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,266.46 : 207,429.93 = 44,781.66 : x
  2. Step 2: Convert to fraction form
    138,266.46/207,429.93 = 44,781.66/x
  3. Step 3: Cross multiply
    138,266.46x = 207,429.93 × 44,781.66
  4. Step 4: Simplify right side
    138,266.46x = 9,289,056,599.08
  5. Step 5: Solve for x
    x = 9,289,056,599.08/138,266.46
  6. Step 6: Final answer
    x = 67,182.28

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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.