Home / 140,149.54-210,099.32-51,382.36

Finding the Fourth Proportional to 140,149.54, 210,099.32 and 51,382.36

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Solution

The fourth proportional to 140,149.54, 210,099.32 and 51,382.36 is: 77,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,149.54 : 210,099.32 = 51,382.36 : x
  2. Step 2: Convert to fraction form
    140,149.54/210,099.32 = 51,382.36/x
  3. Step 3: Cross multiply
    140,149.54x = 210,099.32 × 51,382.36
  4. Step 4: Simplify right side
    140,149.54x = 10,795,398,242.29
  5. Step 5: Solve for x
    x = 10,795,398,242.29/140,149.54
  6. Step 6: Final answer
    x = 77,027.71

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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.