Home / 148,523.25-204,975.05-81,468.21

Finding the Fourth Proportional to 148,523.25, 204,975.05 and 81,468.21

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Solution

The fourth proportional to 148,523.25, 204,975.05 and 81,468.21 is: 112,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,523.25 : 204,975.05 = 81,468.21 : x
  2. Step 2: Convert to fraction form
    148,523.25/204,975.05 = 81,468.21/x
  3. Step 3: Cross multiply
    148,523.25x = 204,975.05 × 81,468.21
  4. Step 4: Simplify right side
    148,523.25x = 16,698,950,010.82
  5. Step 5: Solve for x
    x = 16,698,950,010.82/148,523.25
  6. Step 6: Final answer
    x = 112,433.24

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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.