Home / 238,712.54-329,412.03-131,287.10

Finding the Fourth Proportional to 238,712.54, 329,412.03 and 131,287.10

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Solution

The fourth proportional to 238,712.54, 329,412.03 and 131,287.10 is: 181,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,712.54 : 329,412.03 = 131,287.10 : x
  2. Step 2: Convert to fraction form
    238,712.54/329,412.03 = 131,287.10/x
  3. Step 3: Cross multiply
    238,712.54x = 329,412.03 × 131,287.10
  4. Step 4: Simplify right side
    238,712.54x = 43,247,550,123.81
  5. Step 5: Solve for x
    x = 43,247,550,123.81/238,712.54
  6. Step 6: Final answer
    x = 181,170.00

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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.