Home / 115,236.12-172,844.94-39,328.17

Finding the Fourth Proportional to 115,236.12, 172,844.94 and 39,328.17

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Solution

The fourth proportional to 115,236.12, 172,844.94 and 39,328.17 is: 58,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,236.12 : 172,844.94 = 39,328.17 : x
  2. Step 2: Convert to fraction form
    115,236.12/172,844.94 = 39,328.17/x
  3. Step 3: Cross multiply
    115,236.12x = 172,844.94 × 39,328.17
  4. Step 4: Simplify right side
    115,236.12x = 6,797,675,183.96
  5. Step 5: Solve for x
    x = 6,797,675,183.96/115,236.12
  6. Step 6: Final answer
    x = 58,989.10

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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.