Home / 138,175.80-207,263.61-62,185.52

Finding the Fourth Proportional to 138,175.80, 207,263.61 and 62,185.52

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Solution

The fourth proportional to 138,175.80, 207,263.61 and 62,185.52 is: 93,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,175.80 : 207,263.61 = 62,185.52 : x
  2. Step 2: Convert to fraction form
    138,175.80/207,263.61 = 62,185.52/x
  3. Step 3: Cross multiply
    138,175.80x = 207,263.61 × 62,185.52
  4. Step 4: Simplify right side
    138,175.80x = 12,888,794,328.61
  5. Step 5: Solve for x
    x = 12,888,794,328.61/138,175.80
  6. Step 6: Final answer
    x = 93,278.23

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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.