Home / 150,131.15-225,221.33-71,202.32

Finding the Fourth Proportional to 150,131.15, 225,221.33 and 71,202.32

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Solution

The fourth proportional to 150,131.15, 225,221.33 and 71,202.32 is: 106,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,131.15 : 225,221.33 = 71,202.32 : x
  2. Step 2: Convert to fraction form
    150,131.15/225,221.33 = 71,202.32/x
  3. Step 3: Cross multiply
    150,131.15x = 225,221.33 × 71,202.32
  4. Step 4: Simplify right side
    150,131.15x = 16,036,281,209.49
  5. Step 5: Solve for x
    x = 16,036,281,209.49/150,131.15
  6. Step 6: Final answer
    x = 106,815.15

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1.5x scale

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.