Home / 238,431.41-329,035.07-131,001.17

Finding the Fourth Proportional to 238,431.41, 329,035.07 and 131,001.17

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Solution

The fourth proportional to 238,431.41, 329,035.07 and 131,001.17 is: 180,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.41 : 329,035.07 = 131,001.17 : x
  2. Step 2: Convert to fraction form
    238,431.41/329,035.07 = 131,001.17/x
  3. Step 3: Cross multiply
    238,431.41x = 329,035.07 × 131,001.17
  4. Step 4: Simplify right side
    238,431.41x = 43,103,976,840.85
  5. Step 5: Solve for x
    x = 43,103,976,840.85/238,431.41
  6. Step 6: Final answer
    x = 180,781.46

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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.