Home / 259,037.36-388,556.80-72,049.04

Finding the Fourth Proportional to 259,037.36, 388,556.80 and 72,049.04

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Solution

The fourth proportional to 259,037.36, 388,556.80 and 72,049.04 is: 108,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,037.36 : 388,556.80 = 72,049.04 : x
  2. Step 2: Convert to fraction form
    259,037.36/388,556.80 = 72,049.04/x
  3. Step 3: Cross multiply
    259,037.36x = 388,556.80 × 72,049.04
  4. Step 4: Simplify right side
    259,037.36x = 27,995,144,425.47
  5. Step 5: Solve for x
    x = 27,995,144,425.47/259,037.36
  6. Step 6: Final answer
    x = 108,073.77

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1.5x scale

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.