Home / 219,868.72-329,851.47-125,143.47

Finding the Fourth Proportional to 219,868.72, 329,851.47 and 125,143.47

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Solution

The fourth proportional to 219,868.72, 329,851.47 and 125,143.47 is: 187,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,868.72 : 329,851.47 = 125,143.47 : x
  2. Step 2: Convert to fraction form
    219,868.72/329,851.47 = 125,143.47/x
  3. Step 3: Cross multiply
    219,868.72x = 329,851.47 × 125,143.47
  4. Step 4: Simplify right side
    219,868.72x = 41,278,757,540.40
  5. Step 5: Solve for x
    x = 41,278,757,540.40/219,868.72
  6. Step 6: Final answer
    x = 187,742.75

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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.