Home / 187,940.35-259,106.77-149,306.37

Finding the Fourth Proportional to 187,940.35, 259,106.77 and 149,306.37

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Solution

The fourth proportional to 187,940.35, 259,106.77 and 149,306.37 is: 205,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,940.35 : 259,106.77 = 149,306.37 : x
  2. Step 2: Convert to fraction form
    187,940.35/259,106.77 = 149,306.37/x
  3. Step 3: Cross multiply
    187,940.35x = 259,106.77 × 149,306.37
  4. Step 4: Simplify right side
    187,940.35x = 38,686,290,486.11
  5. Step 5: Solve for x
    x = 38,686,290,486.11/187,940.35
  6. Step 6: Final answer
    x = 205,843.45

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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.