Home / 167,961.86-252,004.18-78,046.10

Finding the Fourth Proportional to 167,961.86, 252,004.18 and 78,046.10

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Solution

The fourth proportional to 167,961.86, 252,004.18 and 78,046.10 is: 117,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,961.86 : 252,004.18 = 78,046.10 : x
  2. Step 2: Convert to fraction form
    167,961.86/252,004.18 = 78,046.10/x
  3. Step 3: Cross multiply
    167,961.86x = 252,004.18 × 78,046.10
  4. Step 4: Simplify right side
    167,961.86x = 19,667,943,432.70
  5. Step 5: Solve for x
    x = 19,667,943,432.70/167,961.86
  6. Step 6: Final answer
    x = 117,097.68

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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.