Home / 134,734-185,930.42-74,310.26

Finding the Fourth Proportional to 134,734, 185,930.42 and 74,310.26

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Solution

The fourth proportional to 134,734, 185,930.42 and 74,310.26 is: 102,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734 : 185,930.42 = 74,310.26 : x
  2. Step 2: Convert to fraction form
    134,734/185,930.42 = 74,310.26/x
  3. Step 3: Cross multiply
    134,734x = 185,930.42 × 74,310.26
  4. Step 4: Simplify right side
    134,734x = 13,816,537,852.11
  5. Step 5: Solve for x
    x = 13,816,537,852.11/134,734
  6. Step 6: Final answer
    x = 102,546.78

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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.