Home / 141,168.75-194,813.37-76,638.07

Finding the Fourth Proportional to 141,168.75, 194,813.37 and 76,638.07

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Solution

The fourth proportional to 141,168.75, 194,813.37 and 76,638.07 is: 105,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,168.75 : 194,813.37 = 76,638.07 : x
  2. Step 2: Convert to fraction form
    141,168.75/194,813.37 = 76,638.07/x
  3. Step 3: Cross multiply
    141,168.75x = 194,813.37 × 76,638.07
  4. Step 4: Simplify right side
    141,168.75x = 14,930,120,687.00
  5. Step 5: Solve for x
    x = 14,930,120,687.00/141,168.75
  6. Step 6: Final answer
    x = 105,760.81

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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.