Home / 131,793.48-197,771.40-51,817.36

Finding the Fourth Proportional to 131,793.48, 197,771.40 and 51,817.36

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Solution

The fourth proportional to 131,793.48, 197,771.40 and 51,817.36 is: 77,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.48 : 197,771.40 = 51,817.36 : x
  2. Step 2: Convert to fraction form
    131,793.48/197,771.40 = 51,817.36/x
  3. Step 3: Cross multiply
    131,793.48x = 197,771.40 × 51,817.36
  4. Step 4: Simplify right side
    131,793.48x = 10,247,991,831.50
  5. Step 5: Solve for x
    x = 10,247,991,831.50/131,793.48
  6. Step 6: Final answer
    x = 77,757.96

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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.