Home / 107,976.31-149,011.85-60,229.64

Finding the Fourth Proportional to 107,976.31, 149,011.85 and 60,229.64

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Solution

The fourth proportional to 107,976.31, 149,011.85 and 60,229.64 is: 83,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.31 : 149,011.85 = 60,229.64 : x
  2. Step 2: Convert to fraction form
    107,976.31/149,011.85 = 60,229.64/x
  3. Step 3: Cross multiply
    107,976.31x = 149,011.85 × 60,229.64
  4. Step 4: Simplify right side
    107,976.31x = 8,974,930,604.34
  5. Step 5: Solve for x
    x = 8,974,930,604.34/107,976.31
  6. Step 6: Final answer
    x = 83,119.44

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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.