Home / 205,260.64-283,184.80-120,361.28

Finding the Fourth Proportional to 205,260.64, 283,184.80 and 120,361.28

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Solution

The fourth proportional to 205,260.64, 283,184.80 and 120,361.28 is: 166,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,260.64 : 283,184.80 = 120,361.28 : x
  2. Step 2: Convert to fraction form
    205,260.64/283,184.80 = 120,361.28/x
  3. Step 3: Cross multiply
    205,260.64x = 283,184.80 × 120,361.28
  4. Step 4: Simplify right side
    205,260.64x = 34,084,485,004.54
  5. Step 5: Solve for x
    x = 34,084,485,004.54/205,260.64
  6. Step 6: Final answer
    x = 166,054.66

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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.