Home / 238,532.96-329,159.52-131,100.68

Finding the Fourth Proportional to 238,532.96, 329,159.52 and 131,100.68

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Solution

The fourth proportional to 238,532.96, 329,159.52 and 131,100.68 is: 180,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,532.96 : 329,159.52 = 131,100.68 : x
  2. Step 2: Convert to fraction form
    238,532.96/329,159.52 = 131,100.68/x
  3. Step 3: Cross multiply
    238,532.96x = 329,159.52 × 131,100.68
  4. Step 4: Simplify right side
    238,532.96x = 43,153,036,900.47
  5. Step 5: Solve for x
    x = 43,153,036,900.47/238,532.96
  6. Step 6: Final answer
    x = 180,910.16

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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.