Home / 238,713.39-329,416.83-131,283.09

Finding the Fourth Proportional to 238,713.39, 329,416.83 and 131,283.09

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Solution

The fourth proportional to 238,713.39, 329,416.83 and 131,283.09 is: 181,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,713.39 : 329,416.83 = 131,283.09 : x
  2. Step 2: Convert to fraction form
    238,713.39/329,416.83 = 131,283.09/x
  3. Step 3: Cross multiply
    238,713.39x = 329,416.83 × 131,283.09
  4. Step 4: Simplify right side
    238,713.39x = 43,246,859,340.40
  5. Step 5: Solve for x
    x = 43,246,859,340.40/238,713.39
  6. Step 6: Final answer
    x = 181,166.46

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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.