Home / 220,081.47-329,903.48-131,201.79

Finding the Fourth Proportional to 220,081.47, 329,903.48 and 131,201.79

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Solution

The fourth proportional to 220,081.47, 329,903.48 and 131,201.79 is: 196,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,081.47 : 329,903.48 = 131,201.79 : x
  2. Step 2: Convert to fraction form
    220,081.47/329,903.48 = 131,201.79/x
  3. Step 3: Cross multiply
    220,081.47x = 329,903.48 × 131,201.79
  4. Step 4: Simplify right side
    220,081.47x = 43,283,927,431.23
  5. Step 5: Solve for x
    x = 43,283,927,431.23/220,081.47
  6. Step 6: Final answer
    x = 196,672.29

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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.