Home / 179,656.20-247,925.16-108,077.76

Finding the Fourth Proportional to 179,656.20, 247,925.16 and 108,077.76

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Solution

The fourth proportional to 179,656.20, 247,925.16 and 108,077.76 is: 149,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,656.20 : 247,925.16 = 108,077.76 : x
  2. Step 2: Convert to fraction form
    179,656.20/247,925.16 = 108,077.76/x
  3. Step 3: Cross multiply
    179,656.20x = 247,925.16 × 108,077.76
  4. Step 4: Simplify right side
    179,656.20x = 26,795,195,940.44
  5. Step 5: Solve for x
    x = 26,795,195,940.44/179,656.20
  6. Step 6: Final answer
    x = 149,147.07

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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.