Home / 172,579.38-258,944.46-60,340.20

Finding the Fourth Proportional to 172,579.38, 258,944.46 and 60,340.20

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Solution

The fourth proportional to 172,579.38, 258,944.46 and 60,340.20 is: 90,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,579.38 : 258,944.46 = 60,340.20 : x
  2. Step 2: Convert to fraction form
    172,579.38/258,944.46 = 60,340.20/x
  3. Step 3: Cross multiply
    172,579.38x = 258,944.46 × 60,340.20
  4. Step 4: Simplify right side
    172,579.38x = 15,624,760,505.29
  5. Step 5: Solve for x
    x = 15,624,760,505.29/172,579.38
  6. Step 6: Final answer
    x = 90,536.66

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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.