Home / 238,976.84-329,788.01-130,081.60

Finding the Fourth Proportional to 238,976.84, 329,788.01 and 130,081.60

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Solution

The fourth proportional to 238,976.84, 329,788.01 and 130,081.60 is: 179,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,976.84 : 329,788.01 = 130,081.60 : x
  2. Step 2: Convert to fraction form
    238,976.84/329,788.01 = 130,081.60/x
  3. Step 3: Cross multiply
    238,976.84x = 329,788.01 × 130,081.60
  4. Step 4: Simplify right side
    238,976.84x = 42,899,351,502.35
  5. Step 5: Solve for x
    x = 42,899,351,502.35/238,976.84
  6. Step 6: Final answer
    x = 179,512.59

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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.