Home / 150,249.12-225,420.84-90,346.56

Finding the Fourth Proportional to 150,249.12, 225,420.84 and 90,346.56

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Solution

The fourth proportional to 150,249.12, 225,420.84 and 90,346.56 is: 135,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,249.12 : 225,420.84 = 90,346.56 : x
  2. Step 2: Convert to fraction form
    150,249.12/225,420.84 = 90,346.56/x
  3. Step 3: Cross multiply
    150,249.12x = 225,420.84 × 90,346.56
  4. Step 4: Simplify right side
    150,249.12x = 20,365,997,446.31
  5. Step 5: Solve for x
    x = 20,365,997,446.31/150,249.12
  6. Step 6: Final answer
    x = 135,548.20

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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.