Home / 163,690.12-245,288.94-110,917

Finding the Fourth Proportional to 163,690.12, 245,288.94 and 110,917

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Solution

The fourth proportional to 163,690.12, 245,288.94 and 110,917 is: 166,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,690.12 : 245,288.94 = 110,917 : x
  2. Step 2: Convert to fraction form
    163,690.12/245,288.94 = 110,917/x
  3. Step 3: Cross multiply
    163,690.12x = 245,288.94 × 110,917
  4. Step 4: Simplify right side
    163,690.12x = 27,206,713,357.98
  5. Step 5: Solve for x
    x = 27,206,713,357.98/163,690.12
  6. Step 6: Final answer
    x = 166,208.65

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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.