Home / 238,982.40-329,795.61-131,551.89

Finding the Fourth Proportional to 238,982.40, 329,795.61 and 131,551.89

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Solution

The fourth proportional to 238,982.40, 329,795.61 and 131,551.89 is: 181,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,982.40 : 329,795.61 = 131,551.89 : x
  2. Step 2: Convert to fraction form
    238,982.40/329,795.61 = 131,551.89/x
  3. Step 3: Cross multiply
    238,982.40x = 329,795.61 × 131,551.89
  4. Step 4: Simplify right side
    238,982.40x = 43,385,235,809.20
  5. Step 5: Solve for x
    x = 43,385,235,809.20/238,982.40
  6. Step 6: Final answer
    x = 181,541.55

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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.