Home / 149,444.12-206,127.36-88,967.90

Finding the Fourth Proportional to 149,444.12, 206,127.36 and 88,967.90

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Solution

The fourth proportional to 149,444.12, 206,127.36 and 88,967.90 is: 122,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,444.12 : 206,127.36 = 88,967.90 : x
  2. Step 2: Convert to fraction form
    149,444.12/206,127.36 = 88,967.90/x
  3. Step 3: Cross multiply
    149,444.12x = 206,127.36 × 88,967.90
  4. Step 4: Simplify right side
    149,444.12x = 18,338,718,351.74
  5. Step 5: Solve for x
    x = 18,338,718,351.74/149,444.12
  6. Step 6: Final answer
    x = 122,712.88

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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.