Home / 178,072.91-267,123.26-51,715.23

Finding the Fourth Proportional to 178,072.91, 267,123.26 and 51,715.23

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Solution

The fourth proportional to 178,072.91, 267,123.26 and 51,715.23 is: 77,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,072.91 : 267,123.26 = 51,715.23 : x
  2. Step 2: Convert to fraction form
    178,072.91/267,123.26 = 51,715.23/x
  3. Step 3: Cross multiply
    178,072.91x = 267,123.26 × 51,715.23
  4. Step 4: Simplify right side
    178,072.91x = 13,814,340,829.25
  5. Step 5: Solve for x
    x = 13,814,340,829.25/178,072.91
  6. Step 6: Final answer
    x = 77,576.88

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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.