Home / 238,708.73-329,411.47-131,278.75

Finding the Fourth Proportional to 238,708.73, 329,411.47 and 131,278.75

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Solution

The fourth proportional to 238,708.73, 329,411.47 and 131,278.75 is: 181,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,708.73 : 329,411.47 = 131,278.75 : x
  2. Step 2: Convert to fraction form
    238,708.73/329,411.47 = 131,278.75/x
  3. Step 3: Cross multiply
    238,708.73x = 329,411.47 × 131,278.75
  4. Step 4: Simplify right side
    238,708.73x = 43,244,726,017.26
  5. Step 5: Solve for x
    x = 43,244,726,017.26/238,708.73
  6. Step 6: Final answer
    x = 181,161.06

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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.