Home / 238,550.60-329,201.64-131,122.40

Finding the Fourth Proportional to 238,550.60, 329,201.64 and 131,122.40

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Solution

The fourth proportional to 238,550.60, 329,201.64 and 131,122.40 is: 180,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,550.60 : 329,201.64 = 131,122.40 : x
  2. Step 2: Convert to fraction form
    238,550.60/329,201.64 = 131,122.40/x
  3. Step 3: Cross multiply
    238,550.60x = 329,201.64 × 131,122.40
  4. Step 4: Simplify right side
    238,550.60x = 43,165,709,120.74
  5. Step 5: Solve for x
    x = 43,165,709,120.74/238,550.60
  6. Step 6: Final answer
    x = 180,949.91

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1.5x scale

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.