Home / 137,982.76-207,896.18-124,671.22

Finding the Fourth Proportional to 137,982.76, 207,896.18 and 124,671.22

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Solution

The fourth proportional to 137,982.76, 207,896.18 and 124,671.22 is: 187,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,982.76 : 207,896.18 = 124,671.22 : x
  2. Step 2: Convert to fraction form
    137,982.76/207,896.18 = 124,671.22/x
  3. Step 3: Cross multiply
    137,982.76x = 207,896.18 × 124,671.22
  4. Step 4: Simplify right side
    137,982.76x = 25,918,670,393.94
  5. Step 5: Solve for x
    x = 25,918,670,393.94/137,982.76
  6. Step 6: Final answer
    x = 187,839.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.