Home / 238,579.73-329,244.13-131,154.29

Finding the Fourth Proportional to 238,579.73, 329,244.13 and 131,154.29

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Solution

The fourth proportional to 238,579.73, 329,244.13 and 131,154.29 is: 180,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,579.73 : 329,244.13 = 131,154.29 : x
  2. Step 2: Convert to fraction form
    238,579.73/329,244.13 = 131,154.29/x
  3. Step 3: Cross multiply
    238,579.73x = 329,244.13 × 131,154.29
  4. Step 4: Simplify right side
    238,579.73x = 43,181,777,804.83
  5. Step 5: Solve for x
    x = 43,181,777,804.83/238,579.73
  6. Step 6: Final answer
    x = 180,995.17

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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.