Home / 206,123.67-309,229.65-63,965.84

Finding the Fourth Proportional to 206,123.67, 309,229.65 and 63,965.84

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Solution

The fourth proportional to 206,123.67, 309,229.65 and 63,965.84 is: 95,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,123.67 : 309,229.65 = 63,965.84 : x
  2. Step 2: Convert to fraction form
    206,123.67/309,229.65 = 63,965.84/x
  3. Step 3: Cross multiply
    206,123.67x = 309,229.65 × 63,965.84
  4. Step 4: Simplify right side
    206,123.67x = 19,780,132,769.01
  5. Step 5: Solve for x
    x = 19,780,132,769.01/206,123.67
  6. Step 6: Final answer
    x = 95,962.45

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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.