Home / 150,519.12-225,335.76-100,475.08

Finding the Fourth Proportional to 150,519.12, 225,335.76 and 100,475.08

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Solution

The fourth proportional to 150,519.12, 225,335.76 and 100,475.08 is: 150,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,519.12 : 225,335.76 = 100,475.08 : x
  2. Step 2: Convert to fraction form
    150,519.12/225,335.76 = 100,475.08/x
  3. Step 3: Cross multiply
    150,519.12x = 225,335.76 × 100,475.08
  4. Step 4: Simplify right side
    150,519.12x = 22,640,628,512.86
  5. Step 5: Solve for x
    x = 22,640,628,512.86/150,519.12
  6. Step 6: Final answer
    x = 150,416.96

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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.