Home / 138,233.46-207,424.68-58,326.80

Finding the Fourth Proportional to 138,233.46, 207,424.68 and 58,326.80

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Solution

The fourth proportional to 138,233.46, 207,424.68 and 58,326.80 is: 87,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,233.46 : 207,424.68 = 58,326.80 : x
  2. Step 2: Convert to fraction form
    138,233.46/207,424.68 = 58,326.80/x
  3. Step 3: Cross multiply
    138,233.46x = 207,424.68 × 58,326.80
  4. Step 4: Simplify right side
    138,233.46x = 12,098,417,825.42
  5. Step 5: Solve for x
    x = 12,098,417,825.42/138,233.46
  6. Step 6: Final answer
    x = 87,521.63

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1.5x scale

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.