Home / 107,979.54-149,010.03-60,231.66

Finding the Fourth Proportional to 107,979.54, 149,010.03 and 60,231.66

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Solution

The fourth proportional to 107,979.54, 149,010.03 and 60,231.66 is: 83,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.54 : 149,010.03 = 60,231.66 : x
  2. Step 2: Convert to fraction form
    107,979.54/149,010.03 = 60,231.66/x
  3. Step 3: Cross multiply
    107,979.54x = 149,010.03 × 60,231.66
  4. Step 4: Simplify right side
    107,979.54x = 8,975,121,463.55
  5. Step 5: Solve for x
    x = 8,975,121,463.55/107,979.54
  6. Step 6: Final answer
    x = 83,118.72

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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.