Home / 219,883.60-329,400.96-131,208.04

Finding the Fourth Proportional to 219,883.60, 329,400.96 and 131,208.04

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Solution

The fourth proportional to 219,883.60, 329,400.96 and 131,208.04 is: 196,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883.60 : 329,400.96 = 131,208.04 : x
  2. Step 2: Convert to fraction form
    219,883.60/329,400.96 = 131,208.04/x
  3. Step 3: Cross multiply
    219,883.60x = 329,400.96 × 131,208.04
  4. Step 4: Simplify right side
    219,883.60x = 43,220,054,335.72
  5. Step 5: Solve for x
    x = 43,220,054,335.72/219,883.60
  6. Step 6: Final answer
    x = 196,558.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.