Home / 179,121.20-247,019.48-111,149.24

Finding the Fourth Proportional to 179,121.20, 247,019.48 and 111,149.24

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Solution

The fourth proportional to 179,121.20, 247,019.48 and 111,149.24 is: 153,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,121.20 : 247,019.48 = 111,149.24 : x
  2. Step 2: Convert to fraction form
    179,121.20/247,019.48 = 111,149.24/x
  3. Step 3: Cross multiply
    179,121.20x = 247,019.48 × 111,149.24
  4. Step 4: Simplify right side
    179,121.20x = 27,456,027,467.20
  5. Step 5: Solve for x
    x = 27,456,027,467.20/179,121.20
  6. Step 6: Final answer
    x = 153,281.84

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1.5x scale

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.