Home / 148,997.78-223,637.13-54,319.47

Finding the Fourth Proportional to 148,997.78, 223,637.13 and 54,319.47

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Solution

The fourth proportional to 148,997.78, 223,637.13 and 54,319.47 is: 81,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,997.78 : 223,637.13 = 54,319.47 : x
  2. Step 2: Convert to fraction form
    148,997.78/223,637.13 = 54,319.47/x
  3. Step 3: Cross multiply
    148,997.78x = 223,637.13 × 54,319.47
  4. Step 4: Simplify right side
    148,997.78x = 12,147,850,793.24
  5. Step 5: Solve for x
    x = 12,147,850,793.24/148,997.78
  6. Step 6: Final answer
    x = 81,530.42

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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.