Home / 157,371.40-217,044.66-144,251.56

Finding the Fourth Proportional to 157,371.40, 217,044.66 and 144,251.56

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Solution

The fourth proportional to 157,371.40, 217,044.66 and 144,251.56 is: 198,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,371.40 : 217,044.66 = 144,251.56 : x
  2. Step 2: Convert to fraction form
    157,371.40/217,044.66 = 144,251.56/x
  3. Step 3: Cross multiply
    157,371.40x = 217,044.66 × 144,251.56
  4. Step 4: Simplify right side
    157,371.40x = 31,309,030,794.67
  5. Step 5: Solve for x
    x = 31,309,030,794.67/157,371.40
  6. Step 6: Final answer
    x = 198,949.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.