Home / 95,473.46-131,738.72-55,179.40

Finding the Fourth Proportional to 95,473.46, 131,738.72 and 55,179.40

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Solution

The fourth proportional to 95,473.46, 131,738.72 and 55,179.40 is: 76,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,473.46 : 131,738.72 = 55,179.40 : x
  2. Step 2: Convert to fraction form
    95,473.46/131,738.72 = 55,179.40/x
  3. Step 3: Cross multiply
    95,473.46x = 131,738.72 × 55,179.40
  4. Step 4: Simplify right side
    95,473.46x = 7,269,262,921.12
  5. Step 5: Solve for x
    x = 7,269,262,921.12/95,473.46
  6. Step 6: Final answer
    x = 76,139.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.