Home / 161,702.28-223,149.28-90,082.48

Finding the Fourth Proportional to 161,702.28, 223,149.28 and 90,082.48

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Solution

The fourth proportional to 161,702.28, 223,149.28 and 90,082.48 is: 124,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.28 : 223,149.28 = 90,082.48 : x
  2. Step 2: Convert to fraction form
    161,702.28/223,149.28 = 90,082.48/x
  3. Step 3: Cross multiply
    161,702.28x = 223,149.28 × 90,082.48
  4. Step 4: Simplify right side
    161,702.28x = 20,101,840,552.61
  5. Step 5: Solve for x
    x = 20,101,840,552.61/161,702.28
  6. Step 6: Final answer
    x = 124,313.90

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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.