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Finding the Fourth Proportional to 115,753.28, 173,662.79 and 36,873.59

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Solution

The fourth proportional to 115,753.28, 173,662.79 and 36,873.59 is: 55,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,753.28 : 173,662.79 = 36,873.59 : x
  2. Step 2: Convert to fraction form
    115,753.28/173,662.79 = 36,873.59/x
  3. Step 3: Cross multiply
    115,753.28x = 173,662.79 × 36,873.59
  4. Step 4: Simplify right side
    115,753.28x = 6,403,569,464.03
  5. Step 5: Solve for x
    x = 6,403,569,464.03/115,753.28
  6. Step 6: Final answer
    x = 55,320.85

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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.