Home / 238,705.22-329,405.66-131,274.92

Finding the Fourth Proportional to 238,705.22, 329,405.66 and 131,274.92

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Solution

The fourth proportional to 238,705.22, 329,405.66 and 131,274.92 is: 181,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,705.22 : 329,405.66 = 131,274.92 : x
  2. Step 2: Convert to fraction form
    238,705.22/329,405.66 = 131,274.92/x
  3. Step 3: Cross multiply
    238,705.22x = 329,405.66 × 131,274.92
  4. Step 4: Simplify right side
    238,705.22x = 43,242,701,664.05
  5. Step 5: Solve for x
    x = 43,242,701,664.05/238,705.22
  6. Step 6: Final answer
    x = 181,155.24

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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.