Home / 238,662.38-329,362.56-131,240.58

Finding the Fourth Proportional to 238,662.38, 329,362.56 and 131,240.58

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Solution

The fourth proportional to 238,662.38, 329,362.56 and 131,240.58 is: 181,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,662.38 : 329,362.56 = 131,240.58 : x
  2. Step 2: Convert to fraction form
    238,662.38/329,362.56 = 131,240.58/x
  3. Step 3: Cross multiply
    238,662.38x = 329,362.56 × 131,240.58
  4. Step 4: Simplify right side
    238,662.38x = 43,225,732,748.48
  5. Step 5: Solve for x
    x = 43,225,732,748.48/238,662.38
  6. Step 6: Final answer
    x = 181,116.66

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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.