Home / 154,429.60-231,644.40-95,072.80

Finding the Fourth Proportional to 154,429.60, 231,644.40 and 95,072.80

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Solution

The fourth proportional to 154,429.60, 231,644.40 and 95,072.80 is: 142,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,429.60 : 231,644.40 = 95,072.80 : x
  2. Step 2: Convert to fraction form
    154,429.60/231,644.40 = 95,072.80/x
  3. Step 3: Cross multiply
    154,429.60x = 231,644.40 × 95,072.80
  4. Step 4: Simplify right side
    154,429.60x = 22,023,081,712.32
  5. Step 5: Solve for x
    x = 22,023,081,712.32/154,429.60
  6. Step 6: Final answer
    x = 142,609.20

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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.