Home / 204,141.31-281,715.11-118,112.02

Finding the Fourth Proportional to 204,141.31, 281,715.11 and 118,112.02

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Solution

The fourth proportional to 204,141.31, 281,715.11 and 118,112.02 is: 162,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,141.31 : 281,715.11 = 118,112.02 : x
  2. Step 2: Convert to fraction form
    204,141.31/281,715.11 = 118,112.02/x
  3. Step 3: Cross multiply
    204,141.31x = 281,715.11 × 118,112.02
  4. Step 4: Simplify right side
    204,141.31x = 33,273,940,116.06
  5. Step 5: Solve for x
    x = 33,273,940,116.06/204,141.31
  6. Step 6: Final answer
    x = 162,994.64

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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.