Home / 89,481.23-134,228.69-29,486.35

Finding the Fourth Proportional to 89,481.23, 134,228.69 and 29,486.35

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Solution

The fourth proportional to 89,481.23, 134,228.69 and 29,486.35 is: 44,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,481.23 : 134,228.69 = 29,486.35 : x
  2. Step 2: Convert to fraction form
    89,481.23/134,228.69 = 29,486.35/x
  3. Step 3: Cross multiply
    89,481.23x = 134,228.69 × 29,486.35
  4. Step 4: Simplify right side
    89,481.23x = 3,957,914,133.38
  5. Step 5: Solve for x
    x = 3,957,914,133.38/89,481.23
  6. Step 6: Final answer
    x = 44,231.78

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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.