Home / 74,194.31-102,388.55-40,202.82

Finding the Fourth Proportional to 74,194.31, 102,388.55 and 40,202.82

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Solution

The fourth proportional to 74,194.31, 102,388.55 and 40,202.82 is: 55,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.31 : 102,388.55 = 40,202.82 : x
  2. Step 2: Convert to fraction form
    74,194.31/102,388.55 = 40,202.82/x
  3. Step 3: Cross multiply
    74,194.31x = 102,388.55 × 40,202.82
  4. Step 4: Simplify right side
    74,194.31x = 4,116,308,244.70
  5. Step 5: Solve for x
    x = 4,116,308,244.70/74,194.31
  6. Step 6: Final answer
    x = 55,480.11

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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.