Home / 215,161.28-296,921.76-119,672

Finding the Fourth Proportional to 215,161.28, 296,921.76 and 119,672

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Solution

The fourth proportional to 215,161.28, 296,921.76 and 119,672 is: 165,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,161.28 : 296,921.76 = 119,672 : x
  2. Step 2: Convert to fraction form
    215,161.28/296,921.76 = 119,672/x
  3. Step 3: Cross multiply
    215,161.28x = 296,921.76 × 119,672
  4. Step 4: Simplify right side
    215,161.28x = 35,533,220,862.72
  5. Step 5: Solve for x
    x = 35,533,220,862.72/215,161.28
  6. Step 6: Final answer
    x = 165,146.91

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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.