Home / 239,466.12-359,339.22-132,939.78

Finding the Fourth Proportional to 239,466.12, 359,339.22 and 132,939.78

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Solution

The fourth proportional to 239,466.12, 359,339.22 and 132,939.78 is: 199,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,466.12 : 359,339.22 = 132,939.78 : x
  2. Step 2: Convert to fraction form
    239,466.12/359,339.22 = 132,939.78/x
  3. Step 3: Cross multiply
    239,466.12x = 359,339.22 × 132,939.78
  4. Step 4: Simplify right side
    239,466.12x = 47,770,476,852.17
  5. Step 5: Solve for x
    x = 47,770,476,852.17/239,466.12
  6. Step 6: Final answer
    x = 199,487.41

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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.