Home / 109,165.03-163,747.54-30,279.26

Finding the Fourth Proportional to 109,165.03, 163,747.54 and 30,279.26

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Solution

The fourth proportional to 109,165.03, 163,747.54 and 30,279.26 is: 45,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165.03 : 163,747.54 = 30,279.26 : x
  2. Step 2: Convert to fraction form
    109,165.03/163,747.54 = 30,279.26/x
  3. Step 3: Cross multiply
    109,165.03x = 163,747.54 × 30,279.26
  4. Step 4: Simplify right side
    109,165.03x = 4,958,154,186.62
  5. Step 5: Solve for x
    x = 4,958,154,186.62/109,165.03
  6. Step 6: Final answer
    x = 45,418.89

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Similar ratio
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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.