Home / 238,738.60-329,443.14-136,764.46

Finding the Fourth Proportional to 238,738.60, 329,443.14 and 136,764.46

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Solution

The fourth proportional to 238,738.60, 329,443.14 and 136,764.46 is: 188,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,738.60 : 329,443.14 = 136,764.46 : x
  2. Step 2: Convert to fraction form
    238,738.60/329,443.14 = 136,764.46/x
  3. Step 3: Cross multiply
    238,738.60x = 329,443.14 × 136,764.46
  4. Step 4: Simplify right side
    238,738.60x = 45,056,113,142.80
  5. Step 5: Solve for x
    x = 45,056,113,142.80/238,738.60
  6. Step 6: Final answer
    x = 188,725.72

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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.