Home / 154,506.57-231,701.52-71,342.25

Finding the Fourth Proportional to 154,506.57, 231,701.52 and 71,342.25

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Solution

The fourth proportional to 154,506.57, 231,701.52 and 71,342.25 is: 106,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,506.57 : 231,701.52 = 71,342.25 : x
  2. Step 2: Convert to fraction form
    154,506.57/231,701.52 = 71,342.25/x
  3. Step 3: Cross multiply
    154,506.57x = 231,701.52 × 71,342.25
  4. Step 4: Simplify right side
    154,506.57x = 16,530,107,765.22
  5. Step 5: Solve for x
    x = 16,530,107,765.22/154,506.57
  6. Step 6: Final answer
    x = 106,986.44

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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.