Home / 140,601.18-194,029.62-76,938.98

Finding the Fourth Proportional to 140,601.18, 194,029.62 and 76,938.98

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Solution

The fourth proportional to 140,601.18, 194,029.62 and 76,938.98 is: 106,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.18 : 194,029.62 = 76,938.98 : x
  2. Step 2: Convert to fraction form
    140,601.18/194,029.62 = 76,938.98/x
  3. Step 3: Cross multiply
    140,601.18x = 194,029.62 × 76,938.98
  4. Step 4: Simplify right side
    140,601.18x = 14,928,441,052.59
  5. Step 5: Solve for x
    x = 14,928,441,052.59/140,601.18
  6. Step 6: Final answer
    x = 106,175.79

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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.