Home / 259,006.08-388,536.06-99,081.66

Finding the Fourth Proportional to 259,006.08, 388,536.06 and 99,081.66

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Solution

The fourth proportional to 259,006.08, 388,536.06 and 99,081.66 is: 148,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,006.08 : 388,536.06 = 99,081.66 : x
  2. Step 2: Convert to fraction form
    259,006.08/388,536.06 = 99,081.66/x
  3. Step 3: Cross multiply
    259,006.08x = 388,536.06 × 99,081.66
  4. Step 4: Simplify right side
    259,006.08x = 38,496,797,794.66
  5. Step 5: Solve for x
    x = 38,496,797,794.66/259,006.08
  6. Step 6: Final answer
    x = 148,632.80

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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.