Home / 140,149.92-210,099.88-51,382.72

Finding the Fourth Proportional to 140,149.92, 210,099.88 and 51,382.72

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Solution

The fourth proportional to 140,149.92, 210,099.88 and 51,382.72 is: 77,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,149.92 : 210,099.88 = 51,382.72 : x
  2. Step 2: Convert to fraction form
    140,149.92/210,099.88 = 51,382.72/x
  3. Step 3: Cross multiply
    140,149.92x = 210,099.88 × 51,382.72
  4. Step 4: Simplify right side
    140,149.92x = 10,795,503,306.07
  5. Step 5: Solve for x
    x = 10,795,503,306.07/140,149.92
  6. Step 6: Final answer
    x = 77,028.25

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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.