Home / 204,852.70-307,279.05-111,310.30

Finding the Fourth Proportional to 204,852.70, 307,279.05 and 111,310.30

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Solution

The fourth proportional to 204,852.70, 307,279.05 and 111,310.30 is: 166,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,852.70 : 307,279.05 = 111,310.30 : x
  2. Step 2: Convert to fraction form
    204,852.70/307,279.05 = 111,310.30/x
  3. Step 3: Cross multiply
    204,852.70x = 307,279.05 × 111,310.30
  4. Step 4: Simplify right side
    204,852.70x = 34,203,323,239.22
  5. Step 5: Solve for x
    x = 34,203,323,239.22/204,852.70
  6. Step 6: Final answer
    x = 166,965.45

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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.