Home / 126,500.73-189,778.43-47,614.73

Finding the Fourth Proportional to 126,500.73, 189,778.43 and 47,614.73

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Solution

The fourth proportional to 126,500.73, 189,778.43 and 47,614.73 is: 71,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.73 : 189,778.43 = 47,614.73 : x
  2. Step 2: Convert to fraction form
    126,500.73/189,778.43 = 47,614.73/x
  3. Step 3: Cross multiply
    126,500.73x = 189,778.43 × 47,614.73
  4. Step 4: Simplify right side
    126,500.73x = 9,036,248,704.27
  5. Step 5: Solve for x
    x = 9,036,248,704.27/126,500.73
  6. Step 6: Final answer
    x = 71,432.38

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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.