Home / 126,191.20-189,380.64-59,651.72

Finding the Fourth Proportional to 126,191.20, 189,380.64 and 59,651.72

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Solution

The fourth proportional to 126,191.20, 189,380.64 and 59,651.72 is: 89,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,191.20 : 189,380.64 = 59,651.72 : x
  2. Step 2: Convert to fraction form
    126,191.20/189,380.64 = 59,651.72/x
  3. Step 3: Cross multiply
    126,191.20x = 189,380.64 × 59,651.72
  4. Step 4: Simplify right side
    126,191.20x = 11,296,880,910.70
  5. Step 5: Solve for x
    x = 11,296,880,910.70/126,191.20
  6. Step 6: Final answer
    x = 89,521.94

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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.