Home / 178,215.20-267,239.10-103,356.62

Finding the Fourth Proportional to 178,215.20, 267,239.10 and 103,356.62

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Solution

The fourth proportional to 178,215.20, 267,239.10 and 103,356.62 is: 154,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,215.20 : 267,239.10 = 103,356.62 : x
  2. Step 2: Convert to fraction form
    178,215.20/267,239.10 = 103,356.62/x
  3. Step 3: Cross multiply
    178,215.20x = 267,239.10 × 103,356.62
  4. Step 4: Simplify right side
    178,215.20x = 27,620,930,107.84
  5. Step 5: Solve for x
    x = 27,620,930,107.84/178,215.20
  6. Step 6: Final answer
    x = 154,986.39

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1.5x scale

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.