Home / 126,319.24-189,545.28-51,494.68

Finding the Fourth Proportional to 126,319.24, 189,545.28 and 51,494.68

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Solution

The fourth proportional to 126,319.24, 189,545.28 and 51,494.68 is: 77,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.24 : 189,545.28 = 51,494.68 : x
  2. Step 2: Convert to fraction form
    126,319.24/189,545.28 = 51,494.68/x
  3. Step 3: Cross multiply
    126,319.24x = 189,545.28 × 51,494.68
  4. Step 4: Simplify right side
    126,319.24x = 9,760,573,539.11
  5. Step 5: Solve for x
    x = 9,760,573,539.11/126,319.24
  6. Step 6: Final answer
    x = 77,269.10

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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.