Home / 179,556.32-247,776.60-98,979.68

Finding the Fourth Proportional to 179,556.32, 247,776.60 and 98,979.68

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Solution

The fourth proportional to 179,556.32, 247,776.60 and 98,979.68 is: 136,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,556.32 : 247,776.60 = 98,979.68 : x
  2. Step 2: Convert to fraction form
    179,556.32/247,776.60 = 98,979.68/x
  3. Step 3: Cross multiply
    179,556.32x = 247,776.60 × 98,979.68
  4. Step 4: Simplify right side
    179,556.32x = 24,524,848,579.49
  5. Step 5: Solve for x
    x = 24,524,848,579.49/179,556.32
  6. Step 6: Final answer
    x = 136,585.83

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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.