Home / 149,242.52-205,949.88-88,799.28

Finding the Fourth Proportional to 149,242.52, 205,949.88 and 88,799.28

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Solution

The fourth proportional to 149,242.52, 205,949.88 and 88,799.28 is: 122,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,242.52 : 205,949.88 = 88,799.28 : x
  2. Step 2: Convert to fraction form
    149,242.52/205,949.88 = 88,799.28/x
  3. Step 3: Cross multiply
    149,242.52x = 205,949.88 × 88,799.28
  4. Step 4: Simplify right side
    149,242.52x = 18,288,201,060.09
  5. Step 5: Solve for x
    x = 18,288,201,060.09/149,242.52
  6. Step 6: Final answer
    x = 122,540.15

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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.