Home / 115,149.74-172,724.61-44,979.85

Finding the Fourth Proportional to 115,149.74, 172,724.61 and 44,979.85

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Solution

The fourth proportional to 115,149.74, 172,724.61 and 44,979.85 is: 67,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149.74 : 172,724.61 = 44,979.85 : x
  2. Step 2: Convert to fraction form
    115,149.74/172,724.61 = 44,979.85/x
  3. Step 3: Cross multiply
    115,149.74x = 172,724.61 × 44,979.85
  4. Step 4: Simplify right side
    115,149.74x = 7,769,126,617.30
  5. Step 5: Solve for x
    x = 7,769,126,617.30/115,149.74
  6. Step 6: Final answer
    x = 67,469.77

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1.5x scale

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.