Home / 131,831.35-197,706.62-47,581.22

Finding the Fourth Proportional to 131,831.35, 197,706.62 and 47,581.22

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Solution

The fourth proportional to 131,831.35, 197,706.62 and 47,581.22 is: 71,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,831.35 : 197,706.62 = 47,581.22 : x
  2. Step 2: Convert to fraction form
    131,831.35/197,706.62 = 47,581.22/x
  3. Step 3: Cross multiply
    131,831.35x = 197,706.62 × 47,581.22
  4. Step 4: Simplify right side
    131,831.35x = 9,407,122,794.90
  5. Step 5: Solve for x
    x = 9,407,122,794.90/131,831.35
  6. Step 6: Final answer
    x = 71,357.25

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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.