Home / 67,166.20-100,749.30-30,302.20

Finding the Fourth Proportional to 67,166.20, 100,749.30 and 30,302.20

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Solution

The fourth proportional to 67,166.20, 100,749.30 and 30,302.20 is: 45,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,166.20 : 100,749.30 = 30,302.20 : x
  2. Step 2: Convert to fraction form
    67,166.20/100,749.30 = 30,302.20/x
  3. Step 3: Cross multiply
    67,166.20x = 100,749.30 × 30,302.20
  4. Step 4: Simplify right side
    67,166.20x = 3,052,925,438.46
  5. Step 5: Solve for x
    x = 3,052,925,438.46/67,166.20
  6. Step 6: Final answer
    x = 45,453.30

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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.