Home / 141,225.75-194,908.82-81,609.75

Finding the Fourth Proportional to 141,225.75, 194,908.82 and 81,609.75

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Solution

The fourth proportional to 141,225.75, 194,908.82 and 81,609.75 is: 112,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,225.75 : 194,908.82 = 81,609.75 : x
  2. Step 2: Convert to fraction form
    141,225.75/194,908.82 = 81,609.75/x
  3. Step 3: Cross multiply
    141,225.75x = 194,908.82 × 81,609.75
  4. Step 4: Simplify right side
    141,225.75x = 15,906,459,664.95
  5. Step 5: Solve for x
    x = 15,906,459,664.95/141,225.75
  6. Step 6: Final answer
    x = 112,631.44

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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.