Home / 140,052.14-209,979.79-51,294.11

Finding the Fourth Proportional to 140,052.14, 209,979.79 and 51,294.11

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Solution

The fourth proportional to 140,052.14, 209,979.79 and 51,294.11 is: 76,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,052.14 : 209,979.79 = 51,294.11 : x
  2. Step 2: Convert to fraction form
    140,052.14/209,979.79 = 51,294.11/x
  3. Step 3: Cross multiply
    140,052.14x = 209,979.79 × 51,294.11
  4. Step 4: Simplify right side
    140,052.14x = 10,770,726,737.57
  5. Step 5: Solve for x
    x = 10,770,726,737.57/140,052.14
  6. Step 6: Final answer
    x = 76,905.12

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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.