Home / 154,260.60-231,605.04-79,434.18

Finding the Fourth Proportional to 154,260.60, 231,605.04 and 79,434.18

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Solution

The fourth proportional to 154,260.60, 231,605.04 and 79,434.18 is: 119,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,260.60 : 231,605.04 = 79,434.18 : x
  2. Step 2: Convert to fraction form
    154,260.60/231,605.04 = 79,434.18/x
  3. Step 3: Cross multiply
    154,260.60x = 231,605.04 × 79,434.18
  4. Step 4: Simplify right side
    154,260.60x = 18,397,356,436.27
  5. Step 5: Solve for x
    x = 18,397,356,436.27/154,260.60
  6. Step 6: Final answer
    x = 119,261.54

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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.