Home / 154,257.90-231,377.13-49,152.30

Finding the Fourth Proportional to 154,257.90, 231,377.13 and 49,152.30

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Solution

The fourth proportional to 154,257.90, 231,377.13 and 49,152.30 is: 73,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,257.90 : 231,377.13 = 49,152.30 : x
  2. Step 2: Convert to fraction form
    154,257.90/231,377.13 = 49,152.30/x
  3. Step 3: Cross multiply
    154,257.90x = 231,377.13 × 49,152.30
  4. Step 4: Simplify right side
    154,257.90x = 11,372,718,106.90
  5. Step 5: Solve for x
    x = 11,372,718,106.90/154,257.90
  6. Step 6: Final answer
    x = 73,725.35

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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.