Home / 140,623.97-210,930.48-51,839.06

Finding the Fourth Proportional to 140,623.97, 210,930.48 and 51,839.06

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Solution

The fourth proportional to 140,623.97, 210,930.48 and 51,839.06 is: 77,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623.97 : 210,930.48 = 51,839.06 : x
  2. Step 2: Convert to fraction form
    140,623.97/210,930.48 = 51,839.06/x
  3. Step 3: Cross multiply
    140,623.97x = 210,930.48 × 51,839.06
  4. Step 4: Simplify right side
    140,623.97x = 10,934,436,753.90
  5. Step 5: Solve for x
    x = 10,934,436,753.90/140,623.97
  6. Step 6: Final answer
    x = 77,756.57

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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.