Home / 159,589.38-220,253.28-91,627.64

Finding the Fourth Proportional to 159,589.38, 220,253.28 and 91,627.64

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Solution

The fourth proportional to 159,589.38, 220,253.28 and 91,627.64 is: 126,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,589.38 : 220,253.28 = 91,627.64 : x
  2. Step 2: Convert to fraction form
    159,589.38/220,253.28 = 91,627.64/x
  3. Step 3: Cross multiply
    159,589.38x = 220,253.28 × 91,627.64
  4. Step 4: Simplify right side
    159,589.38x = 20,181,287,147.39
  5. Step 5: Solve for x
    x = 20,181,287,147.39/159,589.38
  6. Step 6: Final answer
    x = 126,457.58

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1.5x scale

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.