Home / 65,182.12-97,704.78-30,144.76

Finding the Fourth Proportional to 65,182.12, 97,704.78 and 30,144.76

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Solution

The fourth proportional to 65,182.12, 97,704.78 and 30,144.76 is: 45,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,182.12 : 97,704.78 = 30,144.76 : x
  2. Step 2: Convert to fraction form
    65,182.12/97,704.78 = 30,144.76/x
  3. Step 3: Cross multiply
    65,182.12x = 97,704.78 × 30,144.76
  4. Step 4: Simplify right side
    65,182.12x = 2,945,287,143.95
  5. Step 5: Solve for x
    x = 2,945,287,143.95/65,182.12
  6. Step 6: Final answer
    x = 45,185.51

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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.