Home / 140,608.20-210,943.28-40,772.56

Finding the Fourth Proportional to 140,608.20, 210,943.28 and 40,772.56

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Solution

The fourth proportional to 140,608.20, 210,943.28 and 40,772.56 is: 61,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,608.20 : 210,943.28 = 40,772.56 : x
  2. Step 2: Convert to fraction form
    140,608.20/210,943.28 = 40,772.56/x
  3. Step 3: Cross multiply
    140,608.20x = 210,943.28 × 40,772.56
  4. Step 4: Simplify right side
    140,608.20x = 8,600,697,540.40
  5. Step 5: Solve for x
    x = 8,600,697,540.40/140,608.20
  6. Step 6: Final answer
    x = 61,167.82

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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.