Home / 139,229.45-192,136.84-75,567.26

Finding the Fourth Proportional to 139,229.45, 192,136.84 and 75,567.26

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Solution

The fourth proportional to 139,229.45, 192,136.84 and 75,567.26 is: 104,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,229.45 : 192,136.84 = 75,567.26 : x
  2. Step 2: Convert to fraction form
    139,229.45/192,136.84 = 75,567.26/x
  3. Step 3: Cross multiply
    139,229.45x = 192,136.84 × 75,567.26
  4. Step 4: Simplify right side
    139,229.45x = 14,519,253,205.34
  5. Step 5: Solve for x
    x = 14,519,253,205.34/139,229.45
  6. Step 6: Final answer
    x = 104,282.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.