Home / 104,240.07-156,576.78-84,272.16

Finding the Fourth Proportional to 104,240.07, 156,576.78 and 84,272.16

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Solution

The fourth proportional to 104,240.07, 156,576.78 and 84,272.16 is: 126,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,240.07 : 156,576.78 = 84,272.16 : x
  2. Step 2: Convert to fraction form
    104,240.07/156,576.78 = 84,272.16/x
  3. Step 3: Cross multiply
    104,240.07x = 156,576.78 × 84,272.16
  4. Step 4: Simplify right side
    104,240.07x = 13,195,063,456.44
  5. Step 5: Solve for x
    x = 13,195,063,456.44/104,240.07
  6. Step 6: Final answer
    x = 126,583.41

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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.