Home / 139,611.24-192,668.58-80,006.76

Finding the Fourth Proportional to 139,611.24, 192,668.58 and 80,006.76

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Solution

The fourth proportional to 139,611.24, 192,668.58 and 80,006.76 is: 110,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,611.24 : 192,668.58 = 80,006.76 : x
  2. Step 2: Convert to fraction form
    139,611.24/192,668.58 = 80,006.76/x
  3. Step 3: Cross multiply
    139,611.24x = 192,668.58 × 80,006.76
  4. Step 4: Simplify right side
    139,611.24x = 15,414,788,839.60
  5. Step 5: Solve for x
    x = 15,414,788,839.60/139,611.24
  6. Step 6: Final answer
    x = 110,412.23

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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.