Home / 131,871.33-197,831.49-43,129.55

Finding the Fourth Proportional to 131,871.33, 197,831.49 and 43,129.55

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Solution

The fourth proportional to 131,871.33, 197,831.49 and 43,129.55 is: 64,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,871.33 : 197,831.49 = 43,129.55 : x
  2. Step 2: Convert to fraction form
    131,871.33/197,831.49 = 43,129.55/x
  3. Step 3: Cross multiply
    131,871.33x = 197,831.49 × 43,129.55
  4. Step 4: Simplify right side
    131,871.33x = 8,532,382,150.37
  5. Step 5: Solve for x
    x = 8,532,382,150.37/131,871.33
  6. Step 6: Final answer
    x = 64,702.33

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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.