Home / 142,965.09-214,385.33-48,177.61

Finding the Fourth Proportional to 142,965.09, 214,385.33 and 48,177.61

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Solution

The fourth proportional to 142,965.09, 214,385.33 and 48,177.61 is: 72,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965.09 : 214,385.33 = 48,177.61 : x
  2. Step 2: Convert to fraction form
    142,965.09/214,385.33 = 48,177.61/x
  3. Step 3: Cross multiply
    142,965.09x = 214,385.33 × 48,177.61
  4. Step 4: Simplify right side
    142,965.09x = 10,328,571,505.65
  5. Step 5: Solve for x
    x = 10,328,571,505.65/142,965.09
  6. Step 6: Final answer
    x = 72,245.41

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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.