Home / 238,940.05-329,724.70-131,489.30

Finding the Fourth Proportional to 238,940.05, 329,724.70 and 131,489.30

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Solution

The fourth proportional to 238,940.05, 329,724.70 and 131,489.30 is: 181,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,940.05 : 329,724.70 = 131,489.30 : x
  2. Step 2: Convert to fraction form
    238,940.05/329,724.70 = 131,489.30/x
  3. Step 3: Cross multiply
    238,940.05x = 329,724.70 × 131,489.30
  4. Step 4: Simplify right side
    238,940.05x = 43,355,269,995.71
  5. Step 5: Solve for x
    x = 43,355,269,995.71/238,940.05
  6. Step 6: Final answer
    x = 181,448.32

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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.