Home / 105,512.77-158,269.29-26,633.08

Finding the Fourth Proportional to 105,512.77, 158,269.29 and 26,633.08

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Solution

The fourth proportional to 105,512.77, 158,269.29 and 26,633.08 is: 39,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,512.77 : 158,269.29 = 26,633.08 : x
  2. Step 2: Convert to fraction form
    105,512.77/158,269.29 = 26,633.08/x
  3. Step 3: Cross multiply
    105,512.77x = 158,269.29 × 26,633.08
  4. Step 4: Simplify right side
    105,512.77x = 4,215,198,662.11
  5. Step 5: Solve for x
    x = 4,215,198,662.11/105,512.77
  6. Step 6: Final answer
    x = 39,949.65

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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.