Home / 187,968.06-259,409.79-103,093.02

Finding the Fourth Proportional to 187,968.06, 259,409.79 and 103,093.02

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Solution

The fourth proportional to 187,968.06, 259,409.79 and 103,093.02 is: 142,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,968.06 : 259,409.79 = 103,093.02 : x
  2. Step 2: Convert to fraction form
    187,968.06/259,409.79 = 103,093.02/x
  3. Step 3: Cross multiply
    187,968.06x = 259,409.79 × 103,093.02
  4. Step 4: Simplify right side
    187,968.06x = 26,743,338,668.67
  5. Step 5: Solve for x
    x = 26,743,338,668.67/187,968.06
  6. Step 6: Final answer
    x = 142,275.97

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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.