Home / 140,654.25-194,095.41-76,979.73

Finding the Fourth Proportional to 140,654.25, 194,095.41 and 76,979.73

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Solution

The fourth proportional to 140,654.25, 194,095.41 and 76,979.73 is: 106,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,654.25 : 194,095.41 = 76,979.73 : x
  2. Step 2: Convert to fraction form
    140,654.25/194,095.41 = 76,979.73/x
  3. Step 3: Cross multiply
    140,654.25x = 194,095.41 × 76,979.73
  4. Step 4: Simplify right side
    140,654.25x = 14,941,412,256.04
  5. Step 5: Solve for x
    x = 14,941,412,256.04/140,654.25
  6. Step 6: Final answer
    x = 106,227.95

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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.