Home / 205,164.05-283,173.62-120,308.45

Finding the Fourth Proportional to 205,164.05, 283,173.62 and 120,308.45

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Solution

The fourth proportional to 205,164.05, 283,173.62 and 120,308.45 is: 166,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,164.05 : 283,173.62 = 120,308.45 : x
  2. Step 2: Convert to fraction form
    205,164.05/283,173.62 = 120,308.45/x
  3. Step 3: Cross multiply
    205,164.05x = 283,173.62 × 120,308.45
  4. Step 4: Simplify right side
    205,164.05x = 34,068,177,285.68
  5. Step 5: Solve for x
    x = 34,068,177,285.68/205,164.05
  6. Step 6: Final answer
    x = 166,053.35

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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.