Home / 109,149.27-163,723.91-30,263.50

Finding the Fourth Proportional to 109,149.27, 163,723.91 and 30,263.50

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Solution

The fourth proportional to 109,149.27, 163,723.91 and 30,263.50 is: 45,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149.27 : 163,723.91 = 30,263.50 : x
  2. Step 2: Convert to fraction form
    109,149.27/163,723.91 = 30,263.50/x
  3. Step 3: Cross multiply
    109,149.27x = 163,723.91 × 30,263.50
  4. Step 4: Simplify right side
    109,149.27x = 4,954,858,550.29
  5. Step 5: Solve for x
    x = 4,954,858,550.29/109,149.27
  6. Step 6: Final answer
    x = 45,395.25

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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.