Home / 126,176.20-189,264.30-63,838.60

Finding the Fourth Proportional to 126,176.20, 189,264.30 and 63,838.60

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Solution

The fourth proportional to 126,176.20, 189,264.30 and 63,838.60 is: 95,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,176.20 : 189,264.30 = 63,838.60 : x
  2. Step 2: Convert to fraction form
    126,176.20/189,264.30 = 63,838.60/x
  3. Step 3: Cross multiply
    126,176.20x = 189,264.30 × 63,838.60
  4. Step 4: Simplify right side
    126,176.20x = 12,082,367,941.98
  5. Step 5: Solve for x
    x = 12,082,367,941.98/126,176.20
  6. Step 6: Final answer
    x = 95,757.90

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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.