Home / 89,282.40-133,134.78-88,481.04

Finding the Fourth Proportional to 89,282.40, 133,134.78 and 88,481.04

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Solution

The fourth proportional to 89,282.40, 133,134.78 and 88,481.04 is: 131,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,282.40 : 133,134.78 = 88,481.04 : x
  2. Step 2: Convert to fraction form
    89,282.40/133,134.78 = 88,481.04/x
  3. Step 3: Cross multiply
    89,282.40x = 133,134.78 × 88,481.04
  4. Step 4: Simplify right side
    89,282.40x = 11,779,903,794.57
  5. Step 5: Solve for x
    x = 11,779,903,794.57/89,282.40
  6. Step 6: Final answer
    x = 131,939.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.