Home / 205,164.42-283,174.13-120,308.82

Finding the Fourth Proportional to 205,164.42, 283,174.13 and 120,308.82

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Solution

The fourth proportional to 205,164.42, 283,174.13 and 120,308.82 is: 166,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,164.42 : 283,174.13 = 120,308.82 : x
  2. Step 2: Convert to fraction form
    205,164.42/283,174.13 = 120,308.82/x
  3. Step 3: Cross multiply
    205,164.42x = 283,174.13 × 120,308.82
  4. Step 4: Simplify right side
    205,164.42x = 34,068,345,735.60
  5. Step 5: Solve for x
    x = 34,068,345,735.60/205,164.42
  6. Step 6: Final answer
    x = 166,053.87

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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.