Home / 102,839.33-141,918.60-57,518.09

Finding the Fourth Proportional to 102,839.33, 141,918.60 and 57,518.09

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Solution

The fourth proportional to 102,839.33, 141,918.60 and 57,518.09 is: 79,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,839.33 : 141,918.60 = 57,518.09 : x
  2. Step 2: Convert to fraction form
    102,839.33/141,918.60 = 57,518.09/x
  3. Step 3: Cross multiply
    102,839.33x = 141,918.60 × 57,518.09
  4. Step 4: Simplify right side
    102,839.33x = 8,162,886,845.77
  5. Step 5: Solve for x
    x = 8,162,886,845.77/102,839.33
  6. Step 6: Final answer
    x = 79,375.14

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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.