Home / 89,329.23-133,997.49-30,170.88

Finding the Fourth Proportional to 89,329.23, 133,997.49 and 30,170.88

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Solution

The fourth proportional to 89,329.23, 133,997.49 and 30,170.88 is: 45,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329.23 : 133,997.49 = 30,170.88 : x
  2. Step 2: Convert to fraction form
    89,329.23/133,997.49 = 30,170.88/x
  3. Step 3: Cross multiply
    89,329.23x = 133,997.49 × 30,170.88
  4. Step 4: Simplify right side
    89,329.23x = 4,042,822,191.09
  5. Step 5: Solve for x
    x = 4,042,822,191.09/89,329.23
  6. Step 6: Final answer
    x = 45,257.55

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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.