Home / 131,449.86-197,269.86-52,586.10

Finding the Fourth Proportional to 131,449.86, 197,269.86 and 52,586.10

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Solution

The fourth proportional to 131,449.86, 197,269.86 and 52,586.10 is: 78,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,449.86 : 197,269.86 = 52,586.10 : x
  2. Step 2: Convert to fraction form
    131,449.86/197,269.86 = 52,586.10/x
  3. Step 3: Cross multiply
    131,449.86x = 197,269.86 × 52,586.10
  4. Step 4: Simplify right side
    131,449.86x = 10,373,652,584.95
  5. Step 5: Solve for x
    x = 10,373,652,584.95/131,449.86
  6. Step 6: Final answer
    x = 78,917.18

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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.