Home / 231,831.20-347,487.60-132,039.20

Finding the Fourth Proportional to 231,831.20, 347,487.60 and 132,039.20

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Solution

The fourth proportional to 231,831.20, 347,487.60 and 132,039.20 is: 197,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,831.20 : 347,487.60 = 132,039.20 : x
  2. Step 2: Convert to fraction form
    231,831.20/347,487.60 = 132,039.20/x
  3. Step 3: Cross multiply
    231,831.20x = 347,487.60 × 132,039.20
  4. Step 4: Simplify right side
    231,831.20x = 45,881,984,713.92
  5. Step 5: Solve for x
    x = 45,881,984,713.92/231,831.20
  6. Step 6: Final answer
    x = 197,911.17

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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.