Home / 154,538.89-231,765.50-54,685.94

Finding the Fourth Proportional to 154,538.89, 231,765.50 and 54,685.94

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Solution

The fourth proportional to 154,538.89, 231,765.50 and 54,685.94 is: 82,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,538.89 : 231,765.50 = 54,685.94 : x
  2. Step 2: Convert to fraction form
    154,538.89/231,765.50 = 54,685.94/x
  3. Step 3: Cross multiply
    154,538.89x = 231,765.50 × 54,685.94
  4. Step 4: Simplify right side
    154,538.89x = 12,674,313,204.96
  5. Step 5: Solve for x
    x = 12,674,313,204.96/154,538.89
  6. Step 6: Final answer
    x = 82,013.75

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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.