Home / 192,333.30-288,499.91-80,011.38

Finding the Fourth Proportional to 192,333.30, 288,499.91 and 80,011.38

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Solution

The fourth proportional to 192,333.30, 288,499.91 and 80,011.38 is: 120,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,333.30 : 288,499.91 = 80,011.38 : x
  2. Step 2: Convert to fraction form
    192,333.30/288,499.91 = 80,011.38/x
  3. Step 3: Cross multiply
    192,333.30x = 288,499.91 × 80,011.38
  4. Step 4: Simplify right side
    192,333.30x = 23,083,275,928.98
  5. Step 5: Solve for x
    x = 23,083,275,928.98/192,333.30
  6. Step 6: Final answer
    x = 120,017.05

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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.