Home / 123,813.81-185,610.56-53,654.85

Finding the Fourth Proportional to 123,813.81, 185,610.56 and 53,654.85

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Solution

The fourth proportional to 123,813.81, 185,610.56 and 53,654.85 is: 80,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,813.81 : 185,610.56 = 53,654.85 : x
  2. Step 2: Convert to fraction form
    123,813.81/185,610.56 = 53,654.85/x
  3. Step 3: Cross multiply
    123,813.81x = 185,610.56 × 53,654.85
  4. Step 4: Simplify right side
    123,813.81x = 9,958,906,486.94
  5. Step 5: Solve for x
    x = 9,958,906,486.94/123,813.81
  6. Step 6: Final answer
    x = 80,434.54

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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.