Home / 139,229.04-192,136.24-75,566.88

Finding the Fourth Proportional to 139,229.04, 192,136.24 and 75,566.88

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Solution

The fourth proportional to 139,229.04, 192,136.24 and 75,566.88 is: 104,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,229.04 : 192,136.24 = 75,566.88 : x
  2. Step 2: Convert to fraction form
    139,229.04/192,136.24 = 75,566.88/x
  3. Step 3: Cross multiply
    139,229.04x = 192,136.24 × 75,566.88
  4. Step 4: Simplify right side
    139,229.04x = 14,519,136,191.73
  5. Step 5: Solve for x
    x = 14,519,136,191.73/139,229.04
  6. Step 6: Final answer
    x = 104,282.38

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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.