Home / 215,352.12-322,672.74-125,141.61

Finding the Fourth Proportional to 215,352.12, 322,672.74 and 125,141.61

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Solution

The fourth proportional to 215,352.12, 322,672.74 and 125,141.61 is: 187,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,352.12 : 322,672.74 = 125,141.61 : x
  2. Step 2: Convert to fraction form
    215,352.12/322,672.74 = 125,141.61/x
  3. Step 3: Cross multiply
    215,352.12x = 322,672.74 × 125,141.61
  4. Step 4: Simplify right side
    215,352.12x = 40,379,786,186.71
  5. Step 5: Solve for x
    x = 40,379,786,186.71/215,352.12
  6. Step 6: Final answer
    x = 187,505.87

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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.