Home / 148,992.33-223,418.13-54,155.79

Finding the Fourth Proportional to 148,992.33, 223,418.13 and 54,155.79

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Solution

The fourth proportional to 148,992.33, 223,418.13 and 54,155.79 is: 81,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,992.33 : 223,418.13 = 54,155.79 : x
  2. Step 2: Convert to fraction form
    148,992.33/223,418.13 = 54,155.79/x
  3. Step 3: Cross multiply
    148,992.33x = 223,418.13 × 54,155.79
  4. Step 4: Simplify right side
    148,992.33x = 12,099,385,330.47
  5. Step 5: Solve for x
    x = 12,099,385,330.47/148,992.33
  6. Step 6: Final answer
    x = 81,208.11

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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.