Home / 138,026.97-207,040.07-43,264.35

Finding the Fourth Proportional to 138,026.97, 207,040.07 and 43,264.35

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Solution

The fourth proportional to 138,026.97, 207,040.07 and 43,264.35 is: 64,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,026.97 : 207,040.07 = 43,264.35 : x
  2. Step 2: Convert to fraction form
    138,026.97/207,040.07 = 43,264.35/x
  3. Step 3: Cross multiply
    138,026.97x = 207,040.07 × 43,264.35
  4. Step 4: Simplify right side
    138,026.97x = 8,957,454,160.67
  5. Step 5: Solve for x
    x = 8,957,454,160.67/138,026.97
  6. Step 6: Final answer
    x = 64,896.41

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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.