Home / 140,664.80-194,119.74-79,414.22

Finding the Fourth Proportional to 140,664.80, 194,119.74 and 79,414.22

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Solution

The fourth proportional to 140,664.80, 194,119.74 and 79,414.22 is: 109,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.80 : 194,119.74 = 79,414.22 : x
  2. Step 2: Convert to fraction form
    140,664.80/194,119.74 = 79,414.22/x
  3. Step 3: Cross multiply
    140,664.80x = 194,119.74 × 79,414.22
  4. Step 4: Simplify right side
    140,664.80x = 15,415,868,224.00
  5. Step 5: Solve for x
    x = 15,415,868,224.00/140,664.80
  6. Step 6: Final answer
    x = 109,592.93

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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.