Home / 238,980.33-329,781.51-131,548.14

Finding the Fourth Proportional to 238,980.33, 329,781.51 and 131,548.14

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Solution

The fourth proportional to 238,980.33, 329,781.51 and 131,548.14 is: 181,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,980.33 : 329,781.51 = 131,548.14 : x
  2. Step 2: Convert to fraction form
    238,980.33/329,781.51 = 131,548.14/x
  3. Step 3: Cross multiply
    238,980.33x = 329,781.51 × 131,548.14
  4. Step 4: Simplify right side
    238,980.33x = 43,382,144,246.89
  5. Step 5: Solve for x
    x = 43,382,144,246.89/238,980.33
  6. Step 6: Final answer
    x = 181,530.19

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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.