Home / 204,427.70-282,076.53-113,781.31

Finding the Fourth Proportional to 204,427.70, 282,076.53 and 113,781.31

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Solution

The fourth proportional to 204,427.70, 282,076.53 and 113,781.31 is: 156,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,427.70 : 282,076.53 = 113,781.31 : x
  2. Step 2: Convert to fraction form
    204,427.70/282,076.53 = 113,781.31/x
  3. Step 3: Cross multiply
    204,427.70x = 282,076.53 × 113,781.31
  4. Step 4: Simplify right side
    204,427.70x = 32,095,035,971.78
  5. Step 5: Solve for x
    x = 32,095,035,971.78/204,427.70
  6. Step 6: Final answer
    x = 156,999.45

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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.