Home / 245,197.46-338,372.78-137,767.43

Finding the Fourth Proportional to 245,197.46, 338,372.78 and 137,767.43

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Solution

The fourth proportional to 245,197.46, 338,372.78 and 137,767.43 is: 190,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,197.46 : 338,372.78 = 137,767.43 : x
  2. Step 2: Convert to fraction form
    245,197.46/338,372.78 = 137,767.43/x
  3. Step 3: Cross multiply
    245,197.46x = 338,372.78 × 137,767.43
  4. Step 4: Simplify right side
    245,197.46x = 46,616,745,901.85
  5. Step 5: Solve for x
    x = 46,616,745,901.85/245,197.46
  6. Step 6: Final answer
    x = 190,119.21

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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.