Home / 192,559.86-288,716.76-80,317.53

Finding the Fourth Proportional to 192,559.86, 288,716.76 and 80,317.53

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Solution

The fourth proportional to 192,559.86, 288,716.76 and 80,317.53 is: 120,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,559.86 : 288,716.76 = 80,317.53 : x
  2. Step 2: Convert to fraction form
    192,559.86/288,716.76 = 80,317.53/x
  3. Step 3: Cross multiply
    192,559.86x = 288,716.76 × 80,317.53
  4. Step 4: Simplify right side
    192,559.86x = 23,189,017,032.80
  5. Step 5: Solve for x
    x = 23,189,017,032.80/192,559.86
  6. Step 6: Final answer
    x = 120,424.98

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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.