Home / 140,757.93-194,205.23-79,500.87

Finding the Fourth Proportional to 140,757.93, 194,205.23 and 79,500.87

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Solution

The fourth proportional to 140,757.93, 194,205.23 and 79,500.87 is: 109,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,757.93 : 194,205.23 = 79,500.87 : x
  2. Step 2: Convert to fraction form
    140,757.93/194,205.23 = 79,500.87/x
  3. Step 3: Cross multiply
    140,757.93x = 194,205.23 × 79,500.87
  4. Step 4: Simplify right side
    140,757.93x = 15,439,484,743.55
  5. Step 5: Solve for x
    x = 15,439,484,743.55/140,757.93
  6. Step 6: Final answer
    x = 109,688.21

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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.