Home / 238,975.76-329,747.94-136,982.45

Finding the Fourth Proportional to 238,975.76, 329,747.94 and 136,982.45

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Solution

The fourth proportional to 238,975.76, 329,747.94 and 136,982.45 is: 189,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,975.76 : 329,747.94 = 136,982.45 : x
  2. Step 2: Convert to fraction form
    238,975.76/329,747.94 = 136,982.45/x
  3. Step 3: Cross multiply
    238,975.76x = 329,747.94 × 136,982.45
  4. Step 4: Simplify right side
    238,975.76x = 45,169,679,054.91
  5. Step 5: Solve for x
    x = 45,169,679,054.91/238,975.76
  6. Step 6: Final answer
    x = 189,013.65

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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.