Home / 96,882.78-145,245.76-30,288.63

Finding the Fourth Proportional to 96,882.78, 145,245.76 and 30,288.63

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Solution

The fourth proportional to 96,882.78, 145,245.76 and 30,288.63 is: 45,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,882.78 : 145,245.76 = 30,288.63 : x
  2. Step 2: Convert to fraction form
    96,882.78/145,245.76 = 30,288.63/x
  3. Step 3: Cross multiply
    96,882.78x = 145,245.76 × 30,288.63
  4. Step 4: Simplify right side
    96,882.78x = 4,399,295,552.66
  5. Step 5: Solve for x
    x = 4,399,295,552.66/96,882.78
  6. Step 6: Final answer
    x = 45,408.43

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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.