Home / 161,691.04-223,140.52-90,071.04

Finding the Fourth Proportional to 161,691.04, 223,140.52 and 90,071.04

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Solution

The fourth proportional to 161,691.04, 223,140.52 and 90,071.04 is: 124,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,691.04 : 223,140.52 = 90,071.04 : x
  2. Step 2: Convert to fraction form
    161,691.04/223,140.52 = 90,071.04/x
  3. Step 3: Cross multiply
    161,691.04x = 223,140.52 × 90,071.04
  4. Step 4: Simplify right side
    161,691.04x = 20,098,498,702.54
  5. Step 5: Solve for x
    x = 20,098,498,702.54/161,691.04
  6. Step 6: Final answer
    x = 124,301.87

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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.