Home / 238,849.56-329,621.46-136,894.70

Finding the Fourth Proportional to 238,849.56, 329,621.46 and 136,894.70

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Solution

The fourth proportional to 238,849.56, 329,621.46 and 136,894.70 is: 188,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,849.56 : 329,621.46 = 136,894.70 : x
  2. Step 2: Convert to fraction form
    238,849.56/329,621.46 = 136,894.70/x
  3. Step 3: Cross multiply
    238,849.56x = 329,621.46 × 136,894.70
  4. Step 4: Simplify right side
    238,849.56x = 45,123,430,880.26
  5. Step 5: Solve for x
    x = 45,123,430,880.26/238,849.56
  6. Step 6: Final answer
    x = 188,919.88

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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.