Home / 140,635.70-194,069.75-76,961.19

Finding the Fourth Proportional to 140,635.70, 194,069.75 and 76,961.19

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Solution

The fourth proportional to 140,635.70, 194,069.75 and 76,961.19 is: 106,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635.70 : 194,069.75 = 76,961.19 : x
  2. Step 2: Convert to fraction form
    140,635.70/194,069.75 = 76,961.19/x
  3. Step 3: Cross multiply
    140,635.70x = 194,069.75 × 76,961.19
  4. Step 4: Simplify right side
    140,635.70x = 14,935,838,903.00
  5. Step 5: Solve for x
    x = 14,935,838,903.00/140,635.70
  6. Step 6: Final answer
    x = 106,202.33

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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.