Home / 192,359.16-288,562.05-80,115.48

Finding the Fourth Proportional to 192,359.16, 288,562.05 and 80,115.48

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Solution

The fourth proportional to 192,359.16, 288,562.05 and 80,115.48 is: 120,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,359.16 : 288,562.05 = 80,115.48 : x
  2. Step 2: Convert to fraction form
    192,359.16/288,562.05 = 80,115.48/x
  3. Step 3: Cross multiply
    192,359.16x = 288,562.05 × 80,115.48
  4. Step 4: Simplify right side
    192,359.16x = 23,118,287,145.53
  5. Step 5: Solve for x
    x = 23,118,287,145.53/192,359.16
  6. Step 6: Final answer
    x = 120,182.93

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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.