Home / 154,546.57-231,853.17-47,928.40

Finding the Fourth Proportional to 154,546.57, 231,853.17 and 47,928.40

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Solution

The fourth proportional to 154,546.57, 231,853.17 and 47,928.40 is: 71,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,546.57 : 231,853.17 = 47,928.40 : x
  2. Step 2: Convert to fraction form
    154,546.57/231,853.17 = 47,928.40/x
  3. Step 3: Cross multiply
    154,546.57x = 231,853.17 × 47,928.40
  4. Step 4: Simplify right side
    154,546.57x = 11,112,351,473.03
  5. Step 5: Solve for x
    x = 11,112,351,473.03/154,546.57
  6. Step 6: Final answer
    x = 71,902.93

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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.