Home / 137,769.21-206,654.85-37,934.87

Finding the Fourth Proportional to 137,769.21, 206,654.85 and 37,934.87

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Solution

The fourth proportional to 137,769.21, 206,654.85 and 37,934.87 is: 56,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,769.21 : 206,654.85 = 37,934.87 : x
  2. Step 2: Convert to fraction form
    137,769.21/206,654.85 = 37,934.87/x
  3. Step 3: Cross multiply
    137,769.21x = 206,654.85 × 37,934.87
  4. Step 4: Simplify right side
    137,769.21x = 7,839,423,836.35
  5. Step 5: Solve for x
    x = 7,839,423,836.35/137,769.21
  6. Step 6: Final answer
    x = 56,902.58

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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.