Home / 150,245.70-225,041.04-75,235.02

Finding the Fourth Proportional to 150,245.70, 225,041.04 and 75,235.02

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Solution

The fourth proportional to 150,245.70, 225,041.04 and 75,235.02 is: 112,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,245.70 : 225,041.04 = 75,235.02 : x
  2. Step 2: Convert to fraction form
    150,245.70/225,041.04 = 75,235.02/x
  3. Step 3: Cross multiply
    150,245.70x = 225,041.04 × 75,235.02
  4. Step 4: Simplify right side
    150,245.70x = 16,930,967,145.22
  5. Step 5: Solve for x
    x = 16,930,967,145.22/150,245.70
  6. Step 6: Final answer
    x = 112,688.53

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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.