Home / 179,099.12-247,322.76-115,546.16

Finding the Fourth Proportional to 179,099.12, 247,322.76 and 115,546.16

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Solution

The fourth proportional to 179,099.12, 247,322.76 and 115,546.16 is: 159,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,099.12 : 247,322.76 = 115,546.16 : x
  2. Step 2: Convert to fraction form
    179,099.12/247,322.76 = 115,546.16/x
  3. Step 3: Cross multiply
    179,099.12x = 247,322.76 × 115,546.16
  4. Step 4: Simplify right side
    179,099.12x = 28,577,195,198.60
  5. Step 5: Solve for x
    x = 28,577,195,198.60/179,099.12
  6. Step 6: Final answer
    x = 159,560.78

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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.