Home / 124,983.84-187,351.14-80,641.74

Finding the Fourth Proportional to 124,983.84, 187,351.14 and 80,641.74

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Solution

The fourth proportional to 124,983.84, 187,351.14 and 80,641.74 is: 120,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.84 : 187,351.14 = 80,641.74 : x
  2. Step 2: Convert to fraction form
    124,983.84/187,351.14 = 80,641.74/x
  3. Step 3: Cross multiply
    124,983.84x = 187,351.14 × 80,641.74
  4. Step 4: Simplify right side
    124,983.84x = 15,108,321,920.58
  5. Step 5: Solve for x
    x = 15,108,321,920.58/124,983.84
  6. Step 6: Final answer
    x = 120,882.20

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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.