Home / 143,125.56-213,641.97-132,717.24

Finding the Fourth Proportional to 143,125.56, 213,641.97 and 132,717.24

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Solution

The fourth proportional to 143,125.56, 213,641.97 and 132,717.24 is: 198,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,125.56 : 213,641.97 = 132,717.24 : x
  2. Step 2: Convert to fraction form
    143,125.56/213,641.97 = 132,717.24/x
  3. Step 3: Cross multiply
    143,125.56x = 213,641.97 × 132,717.24
  4. Step 4: Simplify right side
    143,125.56x = 28,353,972,606.56
  5. Step 5: Solve for x
    x = 28,353,972,606.56/143,125.56
  6. Step 6: Final answer
    x = 198,105.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.