Home / 220,123.14-303,771.08-124,648.44

Finding the Fourth Proportional to 220,123.14, 303,771.08 and 124,648.44

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Solution

The fourth proportional to 220,123.14, 303,771.08 and 124,648.44 is: 172,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123.14 : 303,771.08 = 124,648.44 : x
  2. Step 2: Convert to fraction form
    220,123.14/303,771.08 = 124,648.44/x
  3. Step 3: Cross multiply
    220,123.14x = 303,771.08 × 124,648.44
  4. Step 4: Simplify right side
    220,123.14x = 37,864,591,239.12
  5. Step 5: Solve for x
    x = 37,864,591,239.12/220,123.14
  6. Step 6: Final answer
    x = 172,015.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.