Home / 178,545.12-267,660-136,612.37

Finding the Fourth Proportional to 178,545.12, 267,660 and 136,612.37

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Solution

The fourth proportional to 178,545.12, 267,660 and 136,612.37 is: 204,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,545.12 : 267,660 = 136,612.37 : x
  2. Step 2: Convert to fraction form
    178,545.12/267,660 = 136,612.37/x
  3. Step 3: Cross multiply
    178,545.12x = 267,660 × 136,612.37
  4. Step 4: Simplify right side
    178,545.12x = 36,565,666,954.20
  5. Step 5: Solve for x
    x = 36,565,666,954.20/178,545.12
  6. Step 6: Final answer
    x = 204,797.91

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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.