Home / 115,119.45-172,635.44-55,086.30

Finding the Fourth Proportional to 115,119.45, 172,635.44 and 55,086.30

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Solution

The fourth proportional to 115,119.45, 172,635.44 and 55,086.30 is: 82,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119.45 : 172,635.44 = 55,086.30 : x
  2. Step 2: Convert to fraction form
    115,119.45/172,635.44 = 55,086.30/x
  3. Step 3: Cross multiply
    115,119.45x = 172,635.44 × 55,086.30
  4. Step 4: Simplify right side
    115,119.45x = 9,509,847,363.04
  5. Step 5: Solve for x
    x = 9,509,847,363.04/115,119.45
  6. Step 6: Final answer
    x = 82,608.52

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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.