Home / 129,977.10-194,795.78-94,074.44

Finding the Fourth Proportional to 129,977.10, 194,795.78 and 94,074.44

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Solution

The fourth proportional to 129,977.10, 194,795.78 and 94,074.44 is: 140,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,977.10 : 194,795.78 = 94,074.44 : x
  2. Step 2: Convert to fraction form
    129,977.10/194,795.78 = 94,074.44/x
  3. Step 3: Cross multiply
    129,977.10x = 194,795.78 × 94,074.44
  4. Step 4: Simplify right side
    129,977.10x = 18,325,304,640.04
  5. Step 5: Solve for x
    x = 18,325,304,640.04/129,977.10
  6. Step 6: Final answer
    x = 140,988.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.