Home / 103,334.96-154,633.07-80,994.75

Finding the Fourth Proportional to 103,334.96, 154,633.07 and 80,994.75

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Solution

The fourth proportional to 103,334.96, 154,633.07 and 80,994.75 is: 121,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,334.96 : 154,633.07 = 80,994.75 : x
  2. Step 2: Convert to fraction form
    103,334.96/154,633.07 = 80,994.75/x
  3. Step 3: Cross multiply
    103,334.96x = 154,633.07 × 80,994.75
  4. Step 4: Simplify right side
    103,334.96x = 12,524,466,441.41
  5. Step 5: Solve for x
    x = 12,524,466,441.41/103,334.96
  6. Step 6: Final answer
    x = 121,202.61

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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.