Home / 200,695.44-277,147.26-129,199.80

Finding the Fourth Proportional to 200,695.44, 277,147.26 and 129,199.80

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Solution

The fourth proportional to 200,695.44, 277,147.26 and 129,199.80 is: 178,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,695.44 : 277,147.26 = 129,199.80 : x
  2. Step 2: Convert to fraction form
    200,695.44/277,147.26 = 129,199.80/x
  3. Step 3: Cross multiply
    200,695.44x = 277,147.26 × 129,199.80
  4. Step 4: Simplify right side
    200,695.44x = 35,807,370,562.55
  5. Step 5: Solve for x
    x = 35,807,370,562.55/200,695.44
  6. Step 6: Final answer
    x = 178,416.46

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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.