Home / 188,135.08-258,993.31-162,990.66

Finding the Fourth Proportional to 188,135.08, 258,993.31 and 162,990.66

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Solution

The fourth proportional to 188,135.08, 258,993.31 and 162,990.66 is: 224,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,135.08 : 258,993.31 = 162,990.66 : x
  2. Step 2: Convert to fraction form
    188,135.08/258,993.31 = 162,990.66/x
  3. Step 3: Cross multiply
    188,135.08x = 258,993.31 × 162,990.66
  4. Step 4: Simplify right side
    188,135.08x = 42,213,490,532.48
  5. Step 5: Solve for x
    x = 42,213,490,532.48/188,135.08
  6. Step 6: Final answer
    x = 224,378.62

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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.