Home / 238,705.94-329,371.56-135,340.62

Finding the Fourth Proportional to 238,705.94, 329,371.56 and 135,340.62

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Solution

The fourth proportional to 238,705.94, 329,371.56 and 135,340.62 is: 186,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,705.94 : 329,371.56 = 135,340.62 : x
  2. Step 2: Convert to fraction form
    238,705.94/329,371.56 = 135,340.62/x
  3. Step 3: Cross multiply
    238,705.94x = 329,371.56 × 135,340.62
  4. Step 4: Simplify right side
    238,705.94x = 44,577,351,140.77
  5. Step 5: Solve for x
    x = 44,577,351,140.77/238,705.94
  6. Step 6: Final answer
    x = 186,745.89

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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.