Home / 140,001.50-209,936.57-51,192.90

Finding the Fourth Proportional to 140,001.50, 209,936.57 and 51,192.90

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Solution

The fourth proportional to 140,001.50, 209,936.57 and 51,192.90 is: 76,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.50 : 209,936.57 = 51,192.90 : x
  2. Step 2: Convert to fraction form
    140,001.50/209,936.57 = 51,192.90/x
  3. Step 3: Cross multiply
    140,001.50x = 209,936.57 × 51,192.90
  4. Step 4: Simplify right side
    140,001.50x = 10,747,261,578.39
  5. Step 5: Solve for x
    x = 10,747,261,578.39/140,001.50
  6. Step 6: Final answer
    x = 76,765.33

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1.5x scale

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.