Home / 197,372.57-296,089.90-85,084.70

Finding the Fourth Proportional to 197,372.57, 296,089.90 and 85,084.70

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Solution

The fourth proportional to 197,372.57, 296,089.90 and 85,084.70 is: 127,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,372.57 : 296,089.90 = 85,084.70 : x
  2. Step 2: Convert to fraction form
    197,372.57/296,089.90 = 85,084.70/x
  3. Step 3: Cross multiply
    197,372.57x = 296,089.90 × 85,084.70
  4. Step 4: Simplify right side
    197,372.57x = 25,192,718,621.37
  5. Step 5: Solve for x
    x = 25,192,718,621.37/197,372.57
  6. Step 6: Final answer
    x = 127,640.43

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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.