Home / 70,789.64-106,184.48-18,199.18

Finding the Fourth Proportional to 70,789.64, 106,184.48 and 18,199.18

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Solution

The fourth proportional to 70,789.64, 106,184.48 and 18,199.18 is: 27,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,789.64 : 106,184.48 = 18,199.18 : x
  2. Step 2: Convert to fraction form
    70,789.64/106,184.48 = 18,199.18/x
  3. Step 3: Cross multiply
    70,789.64x = 106,184.48 × 18,199.18
  4. Step 4: Simplify right side
    70,789.64x = 1,932,470,464.73
  5. Step 5: Solve for x
    x = 1,932,470,464.73/70,789.64
  6. Step 6: Final answer
    x = 27,298.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.