Home / 178,310.49-267,203.26-78,379.17

Finding the Fourth Proportional to 178,310.49, 267,203.26 and 78,379.17

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Solution

The fourth proportional to 178,310.49, 267,203.26 and 78,379.17 is: 117,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,310.49 : 267,203.26 = 78,379.17 : x
  2. Step 2: Convert to fraction form
    178,310.49/267,203.26 = 78,379.17/x
  3. Step 3: Cross multiply
    178,310.49x = 267,203.26 × 78,379.17
  4. Step 4: Simplify right side
    178,310.49x = 20,943,169,740.09
  5. Step 5: Solve for x
    x = 20,943,169,740.09/178,310.49
  6. Step 6: Final answer
    x = 117,453.38

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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.