Home / 205,335.22-283,367.25-120,513.46

Finding the Fourth Proportional to 205,335.22, 283,367.25 and 120,513.46

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Solution

The fourth proportional to 205,335.22, 283,367.25 and 120,513.46 is: 166,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,335.22 : 283,367.25 = 120,513.46 : x
  2. Step 2: Convert to fraction form
    205,335.22/283,367.25 = 120,513.46/x
  3. Step 3: Cross multiply
    205,335.22x = 283,367.25 × 120,513.46
  4. Step 4: Simplify right side
    205,335.22x = 34,149,567,748.19
  5. Step 5: Solve for x
    x = 34,149,567,748.19/205,335.22
  6. Step 6: Final answer
    x = 166,311.30

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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.