Home / 219,867.72-329,849.97-125,142.47

Finding the Fourth Proportional to 219,867.72, 329,849.97 and 125,142.47

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Solution

The fourth proportional to 219,867.72, 329,849.97 and 125,142.47 is: 187,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,867.72 : 329,849.97 = 125,142.47 : x
  2. Step 2: Convert to fraction form
    219,867.72/329,849.97 = 125,142.47/x
  3. Step 3: Cross multiply
    219,867.72x = 329,849.97 × 125,142.47
  4. Step 4: Simplify right side
    219,867.72x = 41,278,239,975.23
  5. Step 5: Solve for x
    x = 41,278,239,975.23/219,867.72
  6. Step 6: Final answer
    x = 187,741.25

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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.