Home / 178,249.06-267,400.47-77,074.78

Finding the Fourth Proportional to 178,249.06, 267,400.47 and 77,074.78

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Solution

The fourth proportional to 178,249.06, 267,400.47 and 77,074.78 is: 115,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,249.06 : 267,400.47 = 77,074.78 : x
  2. Step 2: Convert to fraction form
    178,249.06/267,400.47 = 77,074.78/x
  3. Step 3: Cross multiply
    178,249.06x = 267,400.47 × 77,074.78
  4. Step 4: Simplify right side
    178,249.06x = 20,609,832,397.15
  5. Step 5: Solve for x
    x = 20,609,832,397.15/178,249.06
  6. Step 6: Final answer
    x = 115,623.79

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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.