Home / 115,149.61-172,724.42-44,979.72

Finding the Fourth Proportional to 115,149.61, 172,724.42 and 44,979.72

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Solution

The fourth proportional to 115,149.61, 172,724.42 and 44,979.72 is: 67,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149.61 : 172,724.42 = 44,979.72 : x
  2. Step 2: Convert to fraction form
    115,149.61/172,724.42 = 44,979.72/x
  3. Step 3: Cross multiply
    115,149.61x = 172,724.42 × 44,979.72
  4. Step 4: Simplify right side
    115,149.61x = 7,769,096,048.76
  5. Step 5: Solve for x
    x = 7,769,096,048.76/115,149.61
  6. Step 6: Final answer
    x = 67,469.58

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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.