Home / 103,333.46-154,630.82-80,993.25

Finding the Fourth Proportional to 103,333.46, 154,630.82 and 80,993.25

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Solution

The fourth proportional to 103,333.46, 154,630.82 and 80,993.25 is: 121,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,333.46 : 154,630.82 = 80,993.25 : x
  2. Step 2: Convert to fraction form
    103,333.46/154,630.82 = 80,993.25/x
  3. Step 3: Cross multiply
    103,333.46x = 154,630.82 × 80,993.25
  4. Step 4: Simplify right side
    103,333.46x = 12,524,052,864.45
  5. Step 5: Solve for x
    x = 12,524,052,864.45/103,333.46
  6. Step 6: Final answer
    x = 121,200.37

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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.