Home / 131,727.37-197,591.56-31,887.40

Finding the Fourth Proportional to 131,727.37, 197,591.56 and 31,887.40

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Solution

The fourth proportional to 131,727.37, 197,591.56 and 31,887.40 is: 47,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.37 : 197,591.56 = 31,887.40 : x
  2. Step 2: Convert to fraction form
    131,727.37/197,591.56 = 31,887.40/x
  3. Step 3: Cross multiply
    131,727.37x = 197,591.56 × 31,887.40
  4. Step 4: Simplify right side
    131,727.37x = 6,300,681,110.34
  5. Step 5: Solve for x
    x = 6,300,681,110.34/131,727.37
  6. Step 6: Final answer
    x = 47,831.22

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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.