Home / 115,324.92-172,986.32-36,439.12

Finding the Fourth Proportional to 115,324.92, 172,986.32 and 36,439.12

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Solution

The fourth proportional to 115,324.92, 172,986.32 and 36,439.12 is: 54,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,324.92 : 172,986.32 = 36,439.12 : x
  2. Step 2: Convert to fraction form
    115,324.92/172,986.32 = 36,439.12/x
  3. Step 3: Cross multiply
    115,324.92x = 172,986.32 × 36,439.12
  4. Step 4: Simplify right side
    115,324.92x = 6,303,469,272.84
  5. Step 5: Solve for x
    x = 6,303,469,272.84/115,324.92
  6. Step 6: Final answer
    x = 54,658.35

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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.