Home / 122,576.31-169,136.91-68,851.05

Finding the Fourth Proportional to 122,576.31, 169,136.91 and 68,851.05

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Solution

The fourth proportional to 122,576.31, 169,136.91 and 68,851.05 is: 95,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,576.31 : 169,136.91 = 68,851.05 : x
  2. Step 2: Convert to fraction form
    122,576.31/169,136.91 = 68,851.05/x
  3. Step 3: Cross multiply
    122,576.31x = 169,136.91 × 68,851.05
  4. Step 4: Simplify right side
    122,576.31x = 11,645,253,847.26
  5. Step 5: Solve for x
    x = 11,645,253,847.26/122,576.31
  6. Step 6: Final answer
    x = 95,004.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.