Home / 187,805.61-259,178.37-102,922.68

Finding the Fourth Proportional to 187,805.61, 259,178.37 and 102,922.68

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Solution

The fourth proportional to 187,805.61, 259,178.37 and 102,922.68 is: 142,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,805.61 : 259,178.37 = 102,922.68 : x
  2. Step 2: Convert to fraction form
    187,805.61/259,178.37 = 102,922.68/x
  3. Step 3: Cross multiply
    187,805.61x = 259,178.37 × 102,922.68
  4. Step 4: Simplify right side
    187,805.61x = 26,675,332,438.43
  5. Step 5: Solve for x
    x = 26,675,332,438.43/187,805.61
  6. Step 6: Final answer
    x = 142,036.93

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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.