Home / 217,834.29-300,610.35-121,053.92

Finding the Fourth Proportional to 217,834.29, 300,610.35 and 121,053.92

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Solution

The fourth proportional to 217,834.29, 300,610.35 and 121,053.92 is: 167,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,834.29 : 300,610.35 = 121,053.92 : x
  2. Step 2: Convert to fraction form
    217,834.29/300,610.35 = 121,053.92/x
  3. Step 3: Cross multiply
    217,834.29x = 300,610.35 × 121,053.92
  4. Step 4: Simplify right side
    217,834.29x = 36,390,059,757.02
  5. Step 5: Solve for x
    x = 36,390,059,757.02/217,834.29
  6. Step 6: Final answer
    x = 167,053.86

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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.