Home / 238,976.26-329,748.63-136,982.95

Finding the Fourth Proportional to 238,976.26, 329,748.63 and 136,982.95

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Solution

The fourth proportional to 238,976.26, 329,748.63 and 136,982.95 is: 189,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,976.26 : 329,748.63 = 136,982.95 : x
  2. Step 2: Convert to fraction form
    238,976.26/329,748.63 = 136,982.95/x
  3. Step 3: Cross multiply
    238,976.26x = 329,748.63 × 136,982.95
  4. Step 4: Simplify right side
    238,976.26x = 45,169,940,095.86
  5. Step 5: Solve for x
    x = 45,169,940,095.86/238,976.26
  6. Step 6: Final answer
    x = 189,014.34

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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.