Home / 126,436.20-189,521.83-58,912.55

Finding the Fourth Proportional to 126,436.20, 189,521.83 and 58,912.55

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Solution

The fourth proportional to 126,436.20, 189,521.83 and 58,912.55 is: 88,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,436.20 : 189,521.83 = 58,912.55 : x
  2. Step 2: Convert to fraction form
    126,436.20/189,521.83 = 58,912.55/x
  3. Step 3: Cross multiply
    126,436.20x = 189,521.83 × 58,912.55
  4. Step 4: Simplify right side
    126,436.20x = 11,165,214,285.97
  5. Step 5: Solve for x
    x = 11,165,214,285.97/126,436.20
  6. Step 6: Final answer
    x = 88,307.10

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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.