Home / 154,338.70-231,551.88-49,165.78

Finding the Fourth Proportional to 154,338.70, 231,551.88 and 49,165.78

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Solution

The fourth proportional to 154,338.70, 231,551.88 and 49,165.78 is: 73,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,338.70 : 231,551.88 = 49,165.78 : x
  2. Step 2: Convert to fraction form
    154,338.70/231,551.88 = 49,165.78/x
  3. Step 3: Cross multiply
    154,338.70x = 231,551.88 × 49,165.78
  4. Step 4: Simplify right side
    154,338.70x = 11,384,428,790.67
  5. Step 5: Solve for x
    x = 11,384,428,790.67/154,338.70
  6. Step 6: Final answer
    x = 73,762.63

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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.