Home / 80,243.36-120,376.73-24,087.88

Finding the Fourth Proportional to 80,243.36, 120,376.73 and 24,087.88

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Solution

The fourth proportional to 80,243.36, 120,376.73 and 24,087.88 is: 36,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,243.36 : 120,376.73 = 24,087.88 : x
  2. Step 2: Convert to fraction form
    80,243.36/120,376.73 = 24,087.88/x
  3. Step 3: Cross multiply
    80,243.36x = 120,376.73 × 24,087.88
  4. Step 4: Simplify right side
    80,243.36x = 2,899,620,437.72
  5. Step 5: Solve for x
    x = 2,899,620,437.72/80,243.36
  6. Step 6: Final answer
    x = 36,135.33

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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.