Home / 179,380-247,544.40-103,972.24

Finding the Fourth Proportional to 179,380, 247,544.40 and 103,972.24

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Solution

The fourth proportional to 179,380, 247,544.40 and 103,972.24 is: 143,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,380 : 247,544.40 = 103,972.24 : x
  2. Step 2: Convert to fraction form
    179,380/247,544.40 = 103,972.24/x
  3. Step 3: Cross multiply
    179,380x = 247,544.40 × 103,972.24
  4. Step 4: Simplify right side
    179,380x = 25,737,745,767.46
  5. Step 5: Solve for x
    x = 25,737,745,767.46/179,380
  6. Step 6: Final answer
    x = 143,481.69

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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.