Home / 238,722.14-329,436.42-131,299.40

Finding the Fourth Proportional to 238,722.14, 329,436.42 and 131,299.40

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Solution

The fourth proportional to 238,722.14, 329,436.42 and 131,299.40 is: 181,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,722.14 : 329,436.42 = 131,299.40 : x
  2. Step 2: Convert to fraction form
    238,722.14/329,436.42 = 131,299.40/x
  3. Step 3: Cross multiply
    238,722.14x = 329,436.42 × 131,299.40
  4. Step 4: Simplify right side
    238,722.14x = 43,254,802,636.97
  5. Step 5: Solve for x
    x = 43,254,802,636.97/238,722.14
  6. Step 6: Final answer
    x = 181,193.10

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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.