Home / 222,826.20-307,498.75-120,854.09

Finding the Fourth Proportional to 222,826.20, 307,498.75 and 120,854.09

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Solution

The fourth proportional to 222,826.20, 307,498.75 and 120,854.09 is: 166,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,826.20 : 307,498.75 = 120,854.09 : x
  2. Step 2: Convert to fraction form
    222,826.20/307,498.75 = 120,854.09/x
  3. Step 3: Cross multiply
    222,826.20x = 307,498.75 × 120,854.09
  4. Step 4: Simplify right side
    222,826.20x = 37,162,479,465.62
  5. Step 5: Solve for x
    x = 37,162,479,465.62/222,826.20
  6. Step 6: Final answer
    x = 166,777.87

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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.