Home / 205,502.88-283,595.94-120,621.36

Finding the Fourth Proportional to 205,502.88, 283,595.94 and 120,621.36

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Solution

The fourth proportional to 205,502.88, 283,595.94 and 120,621.36 is: 166,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,502.88 : 283,595.94 = 120,621.36 : x
  2. Step 2: Convert to fraction form
    205,502.88/283,595.94 = 120,621.36/x
  3. Step 3: Cross multiply
    205,502.88x = 283,595.94 × 120,621.36
  4. Step 4: Simplify right side
    205,502.88x = 34,207,727,973.28
  5. Step 5: Solve for x
    x = 34,207,727,973.28/205,502.88
  6. Step 6: Final answer
    x = 166,458.63

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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.