Home / 109,164.81-163,747.44-30,279.25

Finding the Fourth Proportional to 109,164.81, 163,747.44 and 30,279.25

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Solution

The fourth proportional to 109,164.81, 163,747.44 and 30,279.25 is: 45,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,164.81 : 163,747.44 = 30,279.25 : x
  2. Step 2: Convert to fraction form
    109,164.81/163,747.44 = 30,279.25/x
  3. Step 3: Cross multiply
    109,164.81x = 163,747.44 × 30,279.25
  4. Step 4: Simplify right side
    109,164.81x = 4,958,149,877.30
  5. Step 5: Solve for x
    x = 4,958,149,877.30/109,164.81
  6. Step 6: Final answer
    x = 45,418.94

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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.