Home / 154,412.20-231,629.10-60,905.80

Finding the Fourth Proportional to 154,412.20, 231,629.10 and 60,905.80

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Solution

The fourth proportional to 154,412.20, 231,629.10 and 60,905.80 is: 91,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.20 : 231,629.10 = 60,905.80 : x
  2. Step 2: Convert to fraction form
    154,412.20/231,629.10 = 60,905.80/x
  3. Step 3: Cross multiply
    154,412.20x = 231,629.10 × 60,905.80
  4. Step 4: Simplify right side
    154,412.20x = 14,107,555,638.78
  5. Step 5: Solve for x
    x = 14,107,555,638.78/154,412.20
  6. Step 6: Final answer
    x = 91,362.96

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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.