Home / 135,890.73-203,795.09-56,987.42

Finding the Fourth Proportional to 135,890.73, 203,795.09 and 56,987.42

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Solution

The fourth proportional to 135,890.73, 203,795.09 and 56,987.42 is: 85,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,890.73 : 203,795.09 = 56,987.42 : x
  2. Step 2: Convert to fraction form
    135,890.73/203,795.09 = 56,987.42/x
  3. Step 3: Cross multiply
    135,890.73x = 203,795.09 × 56,987.42
  4. Step 4: Simplify right side
    135,890.73x = 11,613,755,083.86
  5. Step 5: Solve for x
    x = 11,613,755,083.86/135,890.73
  6. Step 6: Final answer
    x = 85,463.92

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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.