Home / 172,319.87-258,606.17-113,134.79

Finding the Fourth Proportional to 172,319.87, 258,606.17 and 113,134.79

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Solution

The fourth proportional to 172,319.87, 258,606.17 and 113,134.79 is: 169,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,319.87 : 258,606.17 = 113,134.79 : x
  2. Step 2: Convert to fraction form
    172,319.87/258,606.17 = 113,134.79/x
  3. Step 3: Cross multiply
    172,319.87x = 258,606.17 × 113,134.79
  4. Step 4: Simplify right side
    172,319.87x = 29,257,354,735.65
  5. Step 5: Solve for x
    x = 29,257,354,735.65/172,319.87
  6. Step 6: Final answer
    x = 169,785.15

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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.