Home / 154,160.85-231,072.38-79,284.96

Finding the Fourth Proportional to 154,160.85, 231,072.38 and 79,284.96

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Solution

The fourth proportional to 154,160.85, 231,072.38 and 79,284.96 is: 118,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,160.85 : 231,072.38 = 79,284.96 : x
  2. Step 2: Convert to fraction form
    154,160.85/231,072.38 = 79,284.96/x
  3. Step 3: Cross multiply
    154,160.85x = 231,072.38 × 79,284.96
  4. Step 4: Simplify right side
    154,160.85x = 18,320,564,306.30
  5. Step 5: Solve for x
    x = 18,320,564,306.30/154,160.85
  6. Step 6: Final answer
    x = 118,840.57

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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.