Home / 179,225.28-247,320-103,759.20

Finding the Fourth Proportional to 179,225.28, 247,320 and 103,759.20

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Solution

The fourth proportional to 179,225.28, 247,320 and 103,759.20 is: 143,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,225.28 : 247,320 = 103,759.20 : x
  2. Step 2: Convert to fraction form
    179,225.28/247,320 = 103,759.20/x
  3. Step 3: Cross multiply
    179,225.28x = 247,320 × 103,759.20
  4. Step 4: Simplify right side
    179,225.28x = 25,661,725,344
  5. Step 5: Solve for x
    x = 25,661,725,344/179,225.28
  6. Step 6: Final answer
    x = 143,181.39

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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.