Home / 204,784.61-307,155.09-71,667.41

Finding the Fourth Proportional to 204,784.61, 307,155.09 and 71,667.41

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Solution

The fourth proportional to 204,784.61, 307,155.09 and 71,667.41 is: 107,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,784.61 : 307,155.09 = 71,667.41 : x
  2. Step 2: Convert to fraction form
    204,784.61/307,155.09 = 71,667.41/x
  3. Step 3: Cross multiply
    204,784.61x = 307,155.09 × 71,667.41
  4. Step 4: Simplify right side
    204,784.61x = 22,013,009,768.62
  5. Step 5: Solve for x
    x = 22,013,009,768.62/204,784.61
  6. Step 6: Final answer
    x = 107,493.48

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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.