Home / 179,535.70-269,353.46-78,342.58

Finding the Fourth Proportional to 179,535.70, 269,353.46 and 78,342.58

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Solution

The fourth proportional to 179,535.70, 269,353.46 and 78,342.58 is: 117,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,535.70 : 269,353.46 = 78,342.58 : x
  2. Step 2: Convert to fraction form
    179,535.70/269,353.46 = 78,342.58/x
  3. Step 3: Cross multiply
    179,535.70x = 269,353.46 × 78,342.58
  4. Step 4: Simplify right side
    179,535.70x = 21,101,844,988.33
  5. Step 5: Solve for x
    x = 21,101,844,988.33/179,535.70
  6. Step 6: Final answer
    x = 117,535.65

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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.