Home / 178,552.18-267,418-103,486.65

Finding the Fourth Proportional to 178,552.18, 267,418 and 103,486.65

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Solution

The fourth proportional to 178,552.18, 267,418 and 103,486.65 is: 154,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,552.18 : 267,418 = 103,486.65 : x
  2. Step 2: Convert to fraction form
    178,552.18/267,418 = 103,486.65/x
  3. Step 3: Cross multiply
    178,552.18x = 267,418 × 103,486.65
  4. Step 4: Simplify right side
    178,552.18x = 27,674,192,969.70
  5. Step 5: Solve for x
    x = 27,674,192,969.70/178,552.18
  6. Step 6: Final answer
    x = 154,992.19

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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.