Home / 133,011.43-199,404.78-61,897.38

Finding the Fourth Proportional to 133,011.43, 199,404.78 and 61,897.38

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Solution

The fourth proportional to 133,011.43, 199,404.78 and 61,897.38 is: 92,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,011.43 : 199,404.78 = 61,897.38 : x
  2. Step 2: Convert to fraction form
    133,011.43/199,404.78 = 61,897.38/x
  3. Step 3: Cross multiply
    133,011.43x = 199,404.78 × 61,897.38
  4. Step 4: Simplify right side
    133,011.43x = 12,342,633,441.48
  5. Step 5: Solve for x
    x = 12,342,633,441.48/133,011.43
  6. Step 6: Final answer
    x = 92,793.78

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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.