Home / 154,062.60-231,266.70-91,768.20

Finding the Fourth Proportional to 154,062.60, 231,266.70 and 91,768.20

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Solution

The fourth proportional to 154,062.60, 231,266.70 and 91,768.20 is: 137,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,062.60 : 231,266.70 = 91,768.20 : x
  2. Step 2: Convert to fraction form
    154,062.60/231,266.70 = 91,768.20/x
  3. Step 3: Cross multiply
    154,062.60x = 231,266.70 × 91,768.20
  4. Step 4: Simplify right side
    154,062.60x = 21,222,928,778.94
  5. Step 5: Solve for x
    x = 21,222,928,778.94/154,062.60
  6. Step 6: Final answer
    x = 137,755.23

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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.