Home / 238,946.68-329,693.52-138,286.36

Finding the Fourth Proportional to 238,946.68, 329,693.52 and 138,286.36

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Solution

The fourth proportional to 238,946.68, 329,693.52 and 138,286.36 is: 190,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,946.68 : 329,693.52 = 138,286.36 : x
  2. Step 2: Convert to fraction form
    238,946.68/329,693.52 = 138,286.36/x
  3. Step 3: Cross multiply
    238,946.68x = 329,693.52 × 138,286.36
  4. Step 4: Simplify right side
    238,946.68x = 45,592,116,796.39
  5. Step 5: Solve for x
    x = 45,592,116,796.39/238,946.68
  6. Step 6: Final answer
    x = 190,804.56

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1.5x scale

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.