Home / 200,721.42-301,082.66-67,695.12

Finding the Fourth Proportional to 200,721.42, 301,082.66 and 67,695.12

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Solution

The fourth proportional to 200,721.42, 301,082.66 and 67,695.12 is: 101,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,721.42 : 301,082.66 = 67,695.12 : x
  2. Step 2: Convert to fraction form
    200,721.42/301,082.66 = 67,695.12/x
  3. Step 3: Cross multiply
    200,721.42x = 301,082.66 × 67,695.12
  4. Step 4: Simplify right side
    200,721.42x = 20,381,826,798.62
  5. Step 5: Solve for x
    x = 20,381,826,798.62/200,721.42
  6. Step 6: Final answer
    x = 101,542.86

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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.