Home / 131,755.12-197,606.40-47,512.96

Finding the Fourth Proportional to 131,755.12, 197,606.40 and 47,512.96

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Solution

The fourth proportional to 131,755.12, 197,606.40 and 47,512.96 is: 71,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,755.12 : 197,606.40 = 47,512.96 : x
  2. Step 2: Convert to fraction form
    131,755.12/197,606.40 = 47,512.96/x
  3. Step 3: Cross multiply
    131,755.12x = 197,606.40 × 47,512.96
  4. Step 4: Simplify right side
    131,755.12x = 9,388,864,978.94
  5. Step 5: Solve for x
    x = 9,388,864,978.94/131,755.12
  6. Step 6: Final answer
    x = 71,259.96

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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.