Home / 188,376.09-259,957.97-102,334.39

Finding the Fourth Proportional to 188,376.09, 259,957.97 and 102,334.39

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Solution

The fourth proportional to 188,376.09, 259,957.97 and 102,334.39 is: 141,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,376.09 : 259,957.97 = 102,334.39 : x
  2. Step 2: Convert to fraction form
    188,376.09/259,957.97 = 102,334.39/x
  3. Step 3: Cross multiply
    188,376.09x = 259,957.97 × 102,334.39
  4. Step 4: Simplify right side
    188,376.09x = 26,602,639,078.52
  5. Step 5: Solve for x
    x = 26,602,639,078.52/188,376.09
  6. Step 6: Final answer
    x = 141,220.89

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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.