Home / 131,619.20-197,416.56-36,857.96

Finding the Fourth Proportional to 131,619.20, 197,416.56 and 36,857.96

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Solution

The fourth proportional to 131,619.20, 197,416.56 and 36,857.96 is: 55,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,619.20 : 197,416.56 = 36,857.96 : x
  2. Step 2: Convert to fraction form
    131,619.20/197,416.56 = 36,857.96/x
  3. Step 3: Cross multiply
    131,619.20x = 197,416.56 × 36,857.96
  4. Step 4: Simplify right side
    131,619.20x = 7,276,371,671.82
  5. Step 5: Solve for x
    x = 7,276,371,671.82/131,619.20
  6. Step 6: Final answer
    x = 55,283.51

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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.