Home / 89,250.78-133,876.56-30,086.94

Finding the Fourth Proportional to 89,250.78, 133,876.56 and 30,086.94

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Solution

The fourth proportional to 89,250.78, 133,876.56 and 30,086.94 is: 45,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.78 : 133,876.56 = 30,086.94 : x
  2. Step 2: Convert to fraction form
    89,250.78/133,876.56 = 30,086.94/x
  3. Step 3: Cross multiply
    89,250.78x = 133,876.56 × 30,086.94
  4. Step 4: Simplify right side
    89,250.78x = 4,027,936,028.13
  5. Step 5: Solve for x
    x = 4,027,936,028.13/89,250.78
  6. Step 6: Final answer
    x = 45,130.54

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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.