Home / 126,317.20-189,441.24-47,425.36

Finding the Fourth Proportional to 126,317.20, 189,441.24 and 47,425.36

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Solution

The fourth proportional to 126,317.20, 189,441.24 and 47,425.36 is: 71,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.20 : 189,441.24 = 47,425.36 : x
  2. Step 2: Convert to fraction form
    126,317.20/189,441.24 = 47,425.36/x
  3. Step 3: Cross multiply
    126,317.20x = 189,441.24 × 47,425.36
  4. Step 4: Simplify right side
    126,317.20x = 8,984,319,005.85
  5. Step 5: Solve for x
    x = 8,984,319,005.85/126,317.20
  6. Step 6: Final answer
    x = 71,125.06

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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.