Home / 108,883.20-150,282.24-66,432.64

Finding the Fourth Proportional to 108,883.20, 150,282.24 and 66,432.64

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Solution

The fourth proportional to 108,883.20, 150,282.24 and 66,432.64 is: 91,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,883.20 : 150,282.24 = 66,432.64 : x
  2. Step 2: Convert to fraction form
    108,883.20/150,282.24 = 66,432.64/x
  3. Step 3: Cross multiply
    108,883.20x = 150,282.24 × 66,432.64
  4. Step 4: Simplify right side
    108,883.20x = 9,983,645,948.31
  5. Step 5: Solve for x
    x = 9,983,645,948.31/108,883.20
  6. Step 6: Final answer
    x = 91,691.33

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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.