Home / 126,434.62-189,679.66-47,548.86

Finding the Fourth Proportional to 126,434.62, 189,679.66 and 47,548.86

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Solution

The fourth proportional to 126,434.62, 189,679.66 and 47,548.86 is: 71,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434.62 : 189,679.66 = 47,548.86 : x
  2. Step 2: Convert to fraction form
    126,434.62/189,679.66 = 47,548.86/x
  3. Step 3: Cross multiply
    126,434.62x = 189,679.66 × 47,548.86
  4. Step 4: Simplify right side
    126,434.62x = 9,019,050,768.02
  5. Step 5: Solve for x
    x = 9,019,050,768.02/126,434.62
  6. Step 6: Final answer
    x = 71,333.71

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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.