Home / 107,976.80-149,011.13-60,229.11

Finding the Fourth Proportional to 107,976.80, 149,011.13 and 60,229.11

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Solution

The fourth proportional to 107,976.80, 149,011.13 and 60,229.11 is: 83,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.80 : 149,011.13 = 60,229.11 : x
  2. Step 2: Convert to fraction form
    107,976.80/149,011.13 = 60,229.11/x
  3. Step 3: Cross multiply
    107,976.80x = 149,011.13 × 60,229.11
  4. Step 4: Simplify right side
    107,976.80x = 8,974,807,890.57
  5. Step 5: Solve for x
    x = 8,974,807,890.57/107,976.80
  6. Step 6: Final answer
    x = 83,117.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.