Home / 131,874.20-197,811.30-43,106.30

Finding the Fourth Proportional to 131,874.20, 197,811.30 and 43,106.30

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Solution

The fourth proportional to 131,874.20, 197,811.30 and 43,106.30 is: 64,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,874.20 : 197,811.30 = 43,106.30 : x
  2. Step 2: Convert to fraction form
    131,874.20/197,811.30 = 43,106.30/x
  3. Step 3: Cross multiply
    131,874.20x = 197,811.30 × 43,106.30
  4. Step 4: Simplify right side
    131,874.20x = 8,526,913,241.19
  5. Step 5: Solve for x
    x = 8,526,913,241.19/131,874.20
  6. Step 6: Final answer
    x = 64,659.45

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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.