Home / 140,942.18-194,525.08-84,353.42

Finding the Fourth Proportional to 140,942.18, 194,525.08 and 84,353.42

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Solution

The fourth proportional to 140,942.18, 194,525.08 and 84,353.42 is: 116,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,942.18 : 194,525.08 = 84,353.42 : x
  2. Step 2: Convert to fraction form
    140,942.18/194,525.08 = 84,353.42/x
  3. Step 3: Cross multiply
    140,942.18x = 194,525.08 × 84,353.42
  4. Step 4: Simplify right side
    140,942.18x = 16,408,855,773.77
  5. Step 5: Solve for x
    x = 16,408,855,773.77/140,942.18
  6. Step 6: Final answer
    x = 116,422.61

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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.