Home / 154,501.56-231,604.11-49,251.78

Finding the Fourth Proportional to 154,501.56, 231,604.11 and 49,251.78

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Solution

The fourth proportional to 154,501.56, 231,604.11 and 49,251.78 is: 73,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,501.56 : 231,604.11 = 49,251.78 : x
  2. Step 2: Convert to fraction form
    154,501.56/231,604.11 = 49,251.78/x
  3. Step 3: Cross multiply
    154,501.56x = 231,604.11 × 49,251.78
  4. Step 4: Simplify right side
    154,501.56x = 11,406,914,672.82
  5. Step 5: Solve for x
    x = 11,406,914,672.82/154,501.56
  6. Step 6: Final answer
    x = 73,830.42

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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.