Home / 72,150.30-108,227.31-34,190.67

Finding the Fourth Proportional to 72,150.30, 108,227.31 and 34,190.67

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Solution

The fourth proportional to 72,150.30, 108,227.31 and 34,190.67 is: 51,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,150.30 : 108,227.31 = 34,190.67 : x
  2. Step 2: Convert to fraction form
    72,150.30/108,227.31 = 34,190.67/x
  3. Step 3: Cross multiply
    72,150.30x = 108,227.31 × 34,190.67
  4. Step 4: Simplify right side
    72,150.30x = 3,700,364,241.20
  5. Step 5: Solve for x
    x = 3,700,364,241.20/72,150.30
  6. Step 6: Final answer
    x = 51,286.89

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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.