Home / 124,920.03-187,079.79-71,449.97

Finding the Fourth Proportional to 124,920.03, 187,079.79 and 71,449.97

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Solution

The fourth proportional to 124,920.03, 187,079.79 and 71,449.97 is: 107,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.03 : 187,079.79 = 71,449.97 : x
  2. Step 2: Convert to fraction form
    124,920.03/187,079.79 = 71,449.97/x
  3. Step 3: Cross multiply
    124,920.03x = 187,079.79 × 71,449.97
  4. Step 4: Simplify right side
    124,920.03x = 13,366,844,715.64
  5. Step 5: Solve for x
    x = 13,366,844,715.64/124,920.03
  6. Step 6: Final answer
    x = 107,003.21

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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.