Home / 157,619.44-217,517.28-89,634.64

Finding the Fourth Proportional to 157,619.44, 217,517.28 and 89,634.64

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Solution

The fourth proportional to 157,619.44, 217,517.28 and 89,634.64 is: 123,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,619.44 : 217,517.28 = 89,634.64 : x
  2. Step 2: Convert to fraction form
    157,619.44/217,517.28 = 89,634.64/x
  3. Step 3: Cross multiply
    157,619.44x = 217,517.28 × 89,634.64
  4. Step 4: Simplify right side
    157,619.44x = 19,497,083,086.58
  5. Step 5: Solve for x
    x = 19,497,083,086.58/157,619.44
  6. Step 6: Final answer
    x = 123,697.20

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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.