Home / 165,083.70-247,625.55-105,986.10

Finding the Fourth Proportional to 165,083.70, 247,625.55 and 105,986.10

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Solution

The fourth proportional to 165,083.70, 247,625.55 and 105,986.10 is: 158,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,083.70 : 247,625.55 = 105,986.10 : x
  2. Step 2: Convert to fraction form
    165,083.70/247,625.55 = 105,986.10/x
  3. Step 3: Cross multiply
    165,083.70x = 247,625.55 × 105,986.10
  4. Step 4: Simplify right side
    165,083.70x = 26,244,866,304.86
  5. Step 5: Solve for x
    x = 26,244,866,304.86/165,083.70
  6. Step 6: Final answer
    x = 158,979.15

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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.