Home / 105,511.26-158,305.76-55,589.34

Finding the Fourth Proportional to 105,511.26, 158,305.76 and 55,589.34

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Solution

The fourth proportional to 105,511.26, 158,305.76 and 55,589.34 is: 83,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,511.26 : 158,305.76 = 55,589.34 : x
  2. Step 2: Convert to fraction form
    105,511.26/158,305.76 = 55,589.34/x
  3. Step 3: Cross multiply
    105,511.26x = 158,305.76 × 55,589.34
  4. Step 4: Simplify right side
    105,511.26x = 8,800,112,716.60
  5. Step 5: Solve for x
    x = 8,800,112,716.60/105,511.26
  6. Step 6: Final answer
    x = 83,404.49

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1.5x scale

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.