Home / 281,951.15-389,056.62-161,100.26

Finding the Fourth Proportional to 281,951.15, 389,056.62 and 161,100.26

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Solution

The fourth proportional to 281,951.15, 389,056.62 and 161,100.26 is: 222,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,951.15 : 389,056.62 = 161,100.26 : x
  2. Step 2: Convert to fraction form
    281,951.15/389,056.62 = 161,100.26/x
  3. Step 3: Cross multiply
    281,951.15x = 389,056.62 × 161,100.26
  4. Step 4: Simplify right side
    281,951.15x = 62,677,121,848.34
  5. Step 5: Solve for x
    x = 62,677,121,848.34/281,951.15
  6. Step 6: Final answer
    x = 222,297.81

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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.