Home / 101,711.97-140,312.66-88,264.35

Finding the Fourth Proportional to 101,711.97, 140,312.66 and 88,264.35

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Solution

The fourth proportional to 101,711.97, 140,312.66 and 88,264.35 is: 121,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711.97 : 140,312.66 = 88,264.35 : x
  2. Step 2: Convert to fraction form
    101,711.97/140,312.66 = 88,264.35/x
  3. Step 3: Cross multiply
    101,711.97x = 140,312.66 × 88,264.35
  4. Step 4: Simplify right side
    101,711.97x = 12,384,605,290.35
  5. Step 5: Solve for x
    x = 12,384,605,290.35/101,711.97
  6. Step 6: Final answer
    x = 121,761.53

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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.