Home / 108,920.28-150,319.08-61,183.20

Finding the Fourth Proportional to 108,920.28, 150,319.08 and 61,183.20

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Solution

The fourth proportional to 108,920.28, 150,319.08 and 61,183.20 is: 84,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,920.28 : 150,319.08 = 61,183.20 : x
  2. Step 2: Convert to fraction form
    108,920.28/150,319.08 = 61,183.20/x
  3. Step 3: Cross multiply
    108,920.28x = 150,319.08 × 61,183.20
  4. Step 4: Simplify right side
    108,920.28x = 9,197,002,335.46
  5. Step 5: Solve for x
    x = 9,197,002,335.46/108,920.28
  6. Step 6: Final answer
    x = 84,437.92

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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.