Home / 140,912.98-194,239.02-106,784.85

Finding the Fourth Proportional to 140,912.98, 194,239.02 and 106,784.85

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Solution

The fourth proportional to 140,912.98, 194,239.02 and 106,784.85 is: 147,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,912.98 : 194,239.02 = 106,784.85 : x
  2. Step 2: Convert to fraction form
    140,912.98/194,239.02 = 106,784.85/x
  3. Step 3: Cross multiply
    140,912.98x = 194,239.02 × 106,784.85
  4. Step 4: Simplify right side
    140,912.98x = 20,741,784,614.85
  5. Step 5: Solve for x
    x = 20,741,784,614.85/140,912.98
  6. Step 6: Final answer
    x = 147,195.70

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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.