Home / 126,023.13-189,066.92-41,806.80

Finding the Fourth Proportional to 126,023.13, 189,066.92 and 41,806.80

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Solution

The fourth proportional to 126,023.13, 189,066.92 and 41,806.80 is: 62,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.13 : 189,066.92 = 41,806.80 : x
  2. Step 2: Convert to fraction form
    126,023.13/189,066.92 = 41,806.80/x
  3. Step 3: Cross multiply
    126,023.13x = 189,066.92 × 41,806.80
  4. Step 4: Simplify right side
    126,023.13x = 7,904,282,702.02
  5. Step 5: Solve for x
    x = 7,904,282,702.02/126,023.13
  6. Step 6: Final answer
    x = 62,720.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.