Home / 165,377.45-248,191.01-121,118.95

Finding the Fourth Proportional to 165,377.45, 248,191.01 and 121,118.95

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Solution

The fourth proportional to 165,377.45, 248,191.01 and 121,118.95 is: 181,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,377.45 : 248,191.01 = 121,118.95 : x
  2. Step 2: Convert to fraction form
    165,377.45/248,191.01 = 121,118.95/x
  3. Step 3: Cross multiply
    165,377.45x = 248,191.01 × 121,118.95
  4. Step 4: Simplify right side
    165,377.45x = 30,060,633,634.05
  5. Step 5: Solve for x
    x = 30,060,633,634.05/165,377.45
  6. Step 6: Final answer
    x = 181,769.85

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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.