Home / 138,426.60-207,639.90-44,932.35

Finding the Fourth Proportional to 138,426.60, 207,639.90 and 44,932.35

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Solution

The fourth proportional to 138,426.60, 207,639.90 and 44,932.35 is: 67,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,426.60 : 207,639.90 = 44,932.35 : x
  2. Step 2: Convert to fraction form
    138,426.60/207,639.90 = 44,932.35/x
  3. Step 3: Cross multiply
    138,426.60x = 207,639.90 × 44,932.35
  4. Step 4: Simplify right side
    138,426.60x = 9,329,748,660.77
  5. Step 5: Solve for x
    x = 9,329,748,660.77/138,426.60
  6. Step 6: Final answer
    x = 67,398.53

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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.