Home / 259,727.08-389,295.30-109,873.84

Finding the Fourth Proportional to 259,727.08, 389,295.30 and 109,873.84

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Solution

The fourth proportional to 259,727.08, 389,295.30 and 109,873.84 is: 164,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,727.08 : 389,295.30 = 109,873.84 : x
  2. Step 2: Convert to fraction form
    259,727.08/389,295.30 = 109,873.84/x
  3. Step 3: Cross multiply
    259,727.08x = 389,295.30 × 109,873.84
  4. Step 4: Simplify right side
    259,727.08x = 42,773,369,504.95
  5. Step 5: Solve for x
    x = 42,773,369,504.95/259,727.08
  6. Step 6: Final answer
    x = 164,685.83

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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.