Home / 126,294.11-189,277.14-51,327.02

Finding the Fourth Proportional to 126,294.11, 189,277.14 and 51,327.02

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Solution

The fourth proportional to 126,294.11, 189,277.14 and 51,327.02 is: 76,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,294.11 : 189,277.14 = 51,327.02 : x
  2. Step 2: Convert to fraction form
    126,294.11/189,277.14 = 51,327.02/x
  3. Step 3: Cross multiply
    126,294.11x = 189,277.14 × 51,327.02
  4. Step 4: Simplify right side
    126,294.11x = 9,715,031,550.32
  5. Step 5: Solve for x
    x = 9,715,031,550.32/126,294.11
  6. Step 6: Final answer
    x = 76,923.87

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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.