Home / 230,530.72-345,123.60-141,514.36

Finding the Fourth Proportional to 230,530.72, 345,123.60 and 141,514.36

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Solution

The fourth proportional to 230,530.72, 345,123.60 and 141,514.36 is: 211,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,530.72 : 345,123.60 = 141,514.36 : x
  2. Step 2: Convert to fraction form
    230,530.72/345,123.60 = 141,514.36/x
  3. Step 3: Cross multiply
    230,530.72x = 345,123.60 × 141,514.36
  4. Step 4: Simplify right side
    230,530.72x = 48,839,945,374.90
  5. Step 5: Solve for x
    x = 48,839,945,374.90/230,530.72
  6. Step 6: Final answer
    x = 211,858.73

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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.