Home / 109,091.24-163,636.86-30,205.46

Finding the Fourth Proportional to 109,091.24, 163,636.86 and 30,205.46

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Solution

The fourth proportional to 109,091.24, 163,636.86 and 30,205.46 is: 45,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,091.24 : 163,636.86 = 30,205.46 : x
  2. Step 2: Convert to fraction form
    109,091.24/163,636.86 = 30,205.46/x
  3. Step 3: Cross multiply
    109,091.24x = 163,636.86 × 30,205.46
  4. Step 4: Simplify right side
    109,091.24x = 4,942,726,629.26
  5. Step 5: Solve for x
    x = 4,942,726,629.26/109,091.24
  6. Step 6: Final answer
    x = 45,308.19

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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.