Home / 179,846.08-269,636-86,262.72

Finding the Fourth Proportional to 179,846.08, 269,636 and 86,262.72

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Solution

The fourth proportional to 179,846.08, 269,636 and 86,262.72 is: 129,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,846.08 : 269,636 = 86,262.72 : x
  2. Step 2: Convert to fraction form
    179,846.08/269,636 = 86,262.72/x
  3. Step 3: Cross multiply
    179,846.08x = 269,636 × 86,262.72
  4. Step 4: Simplify right side
    179,846.08x = 23,259,534,769.92
  5. Step 5: Solve for x
    x = 23,259,534,769.92/179,846.08
  6. Step 6: Final answer
    x = 129,330.23

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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.