Home / 80,144.56-120,227.77-33,386.50

Finding the Fourth Proportional to 80,144.56, 120,227.77 and 33,386.50

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Solution

The fourth proportional to 80,144.56, 120,227.77 and 33,386.50 is: 50,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,144.56 : 120,227.77 = 33,386.50 : x
  2. Step 2: Convert to fraction form
    80,144.56/120,227.77 = 33,386.50/x
  3. Step 3: Cross multiply
    80,144.56x = 120,227.77 × 33,386.50
  4. Step 4: Simplify right side
    80,144.56x = 4,013,984,443.11
  5. Step 5: Solve for x
    x = 4,013,984,443.11/80,144.56
  6. Step 6: Final answer
    x = 50,084.30

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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.