Home / 109,216.80-163,825.26-30,331.02

Finding the Fourth Proportional to 109,216.80, 163,825.26 and 30,331.02

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Solution

The fourth proportional to 109,216.80, 163,825.26 and 30,331.02 is: 45,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,216.80 : 163,825.26 = 30,331.02 : x
  2. Step 2: Convert to fraction form
    109,216.80/163,825.26 = 30,331.02/x
  3. Step 3: Cross multiply
    109,216.80x = 163,825.26 × 30,331.02
  4. Step 4: Simplify right side
    109,216.80x = 4,968,987,237.57
  5. Step 5: Solve for x
    x = 4,968,987,237.57/109,216.80
  6. Step 6: Final answer
    x = 45,496.55

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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.