Home / 238,579.86-329,240.58-131,150.58

Finding the Fourth Proportional to 238,579.86, 329,240.58 and 131,150.58

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Solution

The fourth proportional to 238,579.86, 329,240.58 and 131,150.58 is: 180,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,579.86 : 329,240.58 = 131,150.58 : x
  2. Step 2: Convert to fraction form
    238,579.86/329,240.58 = 131,150.58/x
  3. Step 3: Cross multiply
    238,579.86x = 329,240.58 × 131,150.58
  4. Step 4: Simplify right side
    238,579.86x = 43,180,093,026.54
  5. Step 5: Solve for x
    x = 43,180,093,026.54/238,579.86
  6. Step 6: Final answer
    x = 180,988.01

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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.