Home / 140,149.73-210,099.60-51,382.55

Finding the Fourth Proportional to 140,149.73, 210,099.60 and 51,382.55

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Solution

The fourth proportional to 140,149.73, 210,099.60 and 51,382.55 is: 77,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,149.73 : 210,099.60 = 51,382.55 : x
  2. Step 2: Convert to fraction form
    140,149.73/210,099.60 = 51,382.55/x
  3. Step 3: Cross multiply
    140,149.73x = 210,099.60 × 51,382.55
  4. Step 4: Simplify right side
    140,149.73x = 10,795,452,151.48
  5. Step 5: Solve for x
    x = 10,795,452,151.48/140,149.73
  6. Step 6: Final answer
    x = 77,027.99

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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.