Home / 131,449.20-197,195.40-56,605.20

Finding the Fourth Proportional to 131,449.20, 197,195.40 and 56,605.20

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Solution

The fourth proportional to 131,449.20, 197,195.40 and 56,605.20 is: 84,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,449.20 : 197,195.40 = 56,605.20 : x
  2. Step 2: Convert to fraction form
    131,449.20/197,195.40 = 56,605.20/x
  3. Step 3: Cross multiply
    131,449.20x = 197,195.40 × 56,605.20
  4. Step 4: Simplify right side
    131,449.20x = 11,162,285,056.08
  5. Step 5: Solve for x
    x = 11,162,285,056.08/131,449.20
  6. Step 6: Final answer
    x = 84,917.10

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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.