Home / 154,534.33-231,888.52-83,455.92

Finding the Fourth Proportional to 154,534.33, 231,888.52 and 83,455.92

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Solution

The fourth proportional to 154,534.33, 231,888.52 and 83,455.92 is: 125,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,534.33 : 231,888.52 = 83,455.92 : x
  2. Step 2: Convert to fraction form
    154,534.33/231,888.52 = 83,455.92/x
  3. Step 3: Cross multiply
    154,534.33x = 231,888.52 × 83,455.92
  4. Step 4: Simplify right side
    154,534.33x = 19,352,469,878.36
  5. Step 5: Solve for x
    x = 19,352,469,878.36/154,534.33
  6. Step 6: Final answer
    x = 125,230.88

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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.