Home / 115,118.45-172,669.25-36,255.23

Finding the Fourth Proportional to 115,118.45, 172,669.25 and 36,255.23

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Solution

The fourth proportional to 115,118.45, 172,669.25 and 36,255.23 is: 54,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118.45 : 172,669.25 = 36,255.23 : x
  2. Step 2: Convert to fraction form
    115,118.45/172,669.25 = 36,255.23/x
  3. Step 3: Cross multiply
    115,118.45x = 172,669.25 × 36,255.23
  4. Step 4: Simplify right side
    115,118.45x = 6,260,163,372.68
  5. Step 5: Solve for x
    x = 6,260,163,372.68/115,118.45
  6. Step 6: Final answer
    x = 54,380.19

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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.