Home / 231,971.84-347,853.20-82,178.06

Finding the Fourth Proportional to 231,971.84, 347,853.20 and 82,178.06

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Solution

The fourth proportional to 231,971.84, 347,853.20 and 82,178.06 is: 123,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,971.84 : 347,853.20 = 82,178.06 : x
  2. Step 2: Convert to fraction form
    231,971.84/347,853.20 = 82,178.06/x
  3. Step 3: Cross multiply
    231,971.84x = 347,853.20 × 82,178.06
  4. Step 4: Simplify right side
    231,971.84x = 28,585,902,056.64
  5. Step 5: Solve for x
    x = 28,585,902,056.64/231,971.84
  6. Step 6: Final answer
    x = 123,230.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.