Home / 131,414.28-197,261.70-56,571.48

Finding the Fourth Proportional to 131,414.28, 197,261.70 and 56,571.48

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Solution

The fourth proportional to 131,414.28, 197,261.70 and 56,571.48 is: 84,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,414.28 : 197,261.70 = 56,571.48 : x
  2. Step 2: Convert to fraction form
    131,414.28/197,261.70 = 56,571.48/x
  3. Step 3: Cross multiply
    131,414.28x = 197,261.70 × 56,571.48
  4. Step 4: Simplify right side
    131,414.28x = 11,159,386,316.32
  5. Step 5: Solve for x
    x = 11,159,386,316.32/131,414.28
  6. Step 6: Final answer
    x = 84,917.61

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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.