Home / 238,899.72-329,689.36-136,944.48

Finding the Fourth Proportional to 238,899.72, 329,689.36 and 136,944.48

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Solution

The fourth proportional to 238,899.72, 329,689.36 and 136,944.48 is: 188,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,899.72 : 329,689.36 = 136,944.48 : x
  2. Step 2: Convert to fraction form
    238,899.72/329,689.36 = 136,944.48/x
  3. Step 3: Cross multiply
    238,899.72x = 329,689.36 × 136,944.48
  4. Step 4: Simplify right side
    238,899.72x = 45,149,137,966.73
  5. Step 5: Solve for x
    x = 45,149,137,966.73/238,899.72
  6. Step 6: Final answer
    x = 188,987.82

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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.