Home / 126,520.46-189,874.13-59,960.78

Finding the Fourth Proportional to 126,520.46, 189,874.13 and 59,960.78

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Solution

The fourth proportional to 126,520.46, 189,874.13 and 59,960.78 is: 89,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,520.46 : 189,874.13 = 59,960.78 : x
  2. Step 2: Convert to fraction form
    126,520.46/189,874.13 = 59,960.78/x
  3. Step 3: Cross multiply
    126,520.46x = 189,874.13 × 59,960.78
  4. Step 4: Simplify right side
    126,520.46x = 11,385,000,933.50
  5. Step 5: Solve for x
    x = 11,385,000,933.50/126,520.46
  6. Step 6: Final answer
    x = 89,985.46

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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.