Home / 148,371.52-204,720.33-87,911.96

Finding the Fourth Proportional to 148,371.52, 204,720.33 and 87,911.96

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Solution

The fourth proportional to 148,371.52, 204,720.33 and 87,911.96 is: 121,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,371.52 : 204,720.33 = 87,911.96 : x
  2. Step 2: Convert to fraction form
    148,371.52/204,720.33 = 87,911.96/x
  3. Step 3: Cross multiply
    148,371.52x = 204,720.33 × 87,911.96
  4. Step 4: Simplify right side
    148,371.52x = 17,997,365,462.15
  5. Step 5: Solve for x
    x = 17,997,365,462.15/148,371.52
  6. Step 6: Final answer
    x = 121,299.33

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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.