Home / 146,006.44-201,489.19-78,938.44

Finding the Fourth Proportional to 146,006.44, 201,489.19 and 78,938.44

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Solution

The fourth proportional to 146,006.44, 201,489.19 and 78,938.44 is: 108,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,006.44 : 201,489.19 = 78,938.44 : x
  2. Step 2: Convert to fraction form
    146,006.44/201,489.19 = 78,938.44/x
  3. Step 3: Cross multiply
    146,006.44x = 201,489.19 × 78,938.44
  4. Step 4: Simplify right side
    146,006.44x = 15,905,241,634.39
  5. Step 5: Solve for x
    x = 15,905,241,634.39/146,006.44
  6. Step 6: Final answer
    x = 108,935.21

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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.