Home / 238,612.79-329,282.69-131,181.88

Finding the Fourth Proportional to 238,612.79, 329,282.69 and 131,181.88

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Solution

The fourth proportional to 238,612.79, 329,282.69 and 131,181.88 is: 181,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,612.79 : 329,282.69 = 131,181.88 : x
  2. Step 2: Convert to fraction form
    238,612.79/329,282.69 = 131,181.88/x
  3. Step 3: Cross multiply
    238,612.79x = 329,282.69 × 131,181.88
  4. Step 4: Simplify right side
    238,612.79x = 43,195,922,570.79
  5. Step 5: Solve for x
    x = 43,195,922,570.79/238,612.79
  6. Step 6: Final answer
    x = 181,029.37

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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.