Home / 149,440.12-206,121.84-88,963.90

Finding the Fourth Proportional to 149,440.12, 206,121.84 and 88,963.90

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Solution

The fourth proportional to 149,440.12, 206,121.84 and 88,963.90 is: 122,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,440.12 : 206,121.84 = 88,963.90 : x
  2. Step 2: Convert to fraction form
    149,440.12/206,121.84 = 88,963.90/x
  3. Step 3: Cross multiply
    149,440.12x = 206,121.84 × 88,963.90
  4. Step 4: Simplify right side
    149,440.12x = 18,337,402,761.58
  5. Step 5: Solve for x
    x = 18,337,402,761.58/149,440.12
  6. Step 6: Final answer
    x = 122,707.36

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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.