Home / 205,808.64-283,896.96-120,908.16

Finding the Fourth Proportional to 205,808.64, 283,896.96 and 120,908.16

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Solution

The fourth proportional to 205,808.64, 283,896.96 and 120,908.16 is: 166,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,808.64 : 283,896.96 = 120,908.16 : x
  2. Step 2: Convert to fraction form
    205,808.64/283,896.96 = 120,908.16/x
  3. Step 3: Cross multiply
    205,808.64x = 283,896.96 × 120,908.16
  4. Step 4: Simplify right side
    205,808.64x = 34,325,459,063.19
  5. Step 5: Solve for x
    x = 34,325,459,063.19/205,808.64
  6. Step 6: Final answer
    x = 166,783.37

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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.