Home / 205,167.06-283,177.77-120,311.46

Finding the Fourth Proportional to 205,167.06, 283,177.77 and 120,311.46

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Solution

The fourth proportional to 205,167.06, 283,177.77 and 120,311.46 is: 166,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,167.06 : 283,177.77 = 120,311.46 : x
  2. Step 2: Convert to fraction form
    205,167.06/283,177.77 = 120,311.46/x
  3. Step 3: Cross multiply
    205,167.06x = 283,177.77 × 120,311.46
  4. Step 4: Simplify right side
    205,167.06x = 34,069,530,948.24
  5. Step 5: Solve for x
    x = 34,069,530,948.24/205,167.06
  6. Step 6: Final answer
    x = 166,057.51

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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.