Home / 238,591.35-329,259.47-131,171.31

Finding the Fourth Proportional to 238,591.35, 329,259.47 and 131,171.31

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Solution

The fourth proportional to 238,591.35, 329,259.47 and 131,171.31 is: 181,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,591.35 : 329,259.47 = 131,171.31 : x
  2. Step 2: Convert to fraction form
    238,591.35/329,259.47 = 131,171.31/x
  3. Step 3: Cross multiply
    238,591.35x = 329,259.47 × 131,171.31
  4. Step 4: Simplify right side
    238,591.35x = 43,189,395,353.95
  5. Step 5: Solve for x
    x = 43,189,395,353.95/238,591.35
  6. Step 6: Final answer
    x = 181,018.28

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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.