Home / 154,378.35-231,584.54-49,173.12

Finding the Fourth Proportional to 154,378.35, 231,584.54 and 49,173.12

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Solution

The fourth proportional to 154,378.35, 231,584.54 and 49,173.12 is: 73,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,378.35 : 231,584.54 = 49,173.12 : x
  2. Step 2: Convert to fraction form
    154,378.35/231,584.54 = 49,173.12/x
  3. Step 3: Cross multiply
    154,378.35x = 231,584.54 × 49,173.12
  4. Step 4: Simplify right side
    154,378.35x = 11,387,734,129.70
  5. Step 5: Solve for x
    x = 11,387,734,129.70/154,378.35
  6. Step 6: Final answer
    x = 73,765.10

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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.