Home / 203,192.15-280,540.79-126,741.92

Finding the Fourth Proportional to 203,192.15, 280,540.79 and 126,741.92

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Solution

The fourth proportional to 203,192.15, 280,540.79 and 126,741.92 is: 174,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,192.15 : 280,540.79 = 126,741.92 : x
  2. Step 2: Convert to fraction form
    203,192.15/280,540.79 = 126,741.92/x
  3. Step 3: Cross multiply
    203,192.15x = 280,540.79 × 126,741.92
  4. Step 4: Simplify right side
    203,192.15x = 35,556,276,326.50
  5. Step 5: Solve for x
    x = 35,556,276,326.50/203,192.15
  6. Step 6: Final answer
    x = 174,988.44

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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.