Home / 215,979.26-298,059.50-120,504.42

Finding the Fourth Proportional to 215,979.26, 298,059.50 and 120,504.42

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Solution

The fourth proportional to 215,979.26, 298,059.50 and 120,504.42 is: 166,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,979.26 : 298,059.50 = 120,504.42 : x
  2. Step 2: Convert to fraction form
    215,979.26/298,059.50 = 120,504.42/x
  3. Step 3: Cross multiply
    215,979.26x = 298,059.50 × 120,504.42
  4. Step 4: Simplify right side
    215,979.26x = 35,917,487,172.99
  5. Step 5: Solve for x
    x = 35,917,487,172.99/215,979.26
  6. Step 6: Final answer
    x = 166,300.63

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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.