Home / 107,979.17-149,014.41-60,231.49

Finding the Fourth Proportional to 107,979.17, 149,014.41 and 60,231.49

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Solution

The fourth proportional to 107,979.17, 149,014.41 and 60,231.49 is: 83,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.17 : 149,014.41 = 60,231.49 : x
  2. Step 2: Convert to fraction form
    107,979.17/149,014.41 = 60,231.49/x
  3. Step 3: Cross multiply
    107,979.17x = 149,014.41 × 60,231.49
  4. Step 4: Simplify right side
    107,979.17x = 8,975,359,945.77
  5. Step 5: Solve for x
    x = 8,975,359,945.77/107,979.17
  6. Step 6: Final answer
    x = 83,121.22

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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.