Home / 165,013.88-227,723.28-89,562.20

Finding the Fourth Proportional to 165,013.88, 227,723.28 and 89,562.20

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Solution

The fourth proportional to 165,013.88, 227,723.28 and 89,562.20 is: 123,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013.88 : 227,723.28 = 89,562.20 : x
  2. Step 2: Convert to fraction form
    165,013.88/227,723.28 = 89,562.20/x
  3. Step 3: Cross multiply
    165,013.88x = 227,723.28 × 89,562.20
  4. Step 4: Simplify right side
    165,013.88x = 20,395,397,948.02
  5. Step 5: Solve for x
    x = 20,395,397,948.02/165,013.88
  6. Step 6: Final answer
    x = 123,598.08

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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.