Home / 238,712.04-329,411.34-131,286.60

Finding the Fourth Proportional to 238,712.04, 329,411.34 and 131,286.60

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Solution

The fourth proportional to 238,712.04, 329,411.34 and 131,286.60 is: 181,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,712.04 : 329,411.34 = 131,286.60 : x
  2. Step 2: Convert to fraction form
    238,712.04/329,411.34 = 131,286.60/x
  3. Step 3: Cross multiply
    238,712.04x = 329,411.34 × 131,286.60
  4. Step 4: Simplify right side
    238,712.04x = 43,247,294,830.04
  5. Step 5: Solve for x
    x = 43,247,294,830.04/238,712.04
  6. Step 6: Final answer
    x = 181,169.31

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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.