Home / 89,206.78-133,819.45-30,049.02

Finding the Fourth Proportional to 89,206.78, 133,819.45 and 30,049.02

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Solution

The fourth proportional to 89,206.78, 133,819.45 and 30,049.02 is: 45,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.78 : 133,819.45 = 30,049.02 : x
  2. Step 2: Convert to fraction form
    89,206.78/133,819.45 = 30,049.02/x
  3. Step 3: Cross multiply
    89,206.78x = 133,819.45 × 30,049.02
  4. Step 4: Simplify right side
    89,206.78x = 4,021,143,329.44
  5. Step 5: Solve for x
    x = 4,021,143,329.44/89,206.78
  6. Step 6: Final answer
    x = 45,076.66

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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.