Home / 129,946.12-194,943.75-41,221.96

Finding the Fourth Proportional to 129,946.12, 194,943.75 and 41,221.96

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Solution

The fourth proportional to 129,946.12, 194,943.75 and 41,221.96 is: 61,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946.12 : 194,943.75 = 41,221.96 : x
  2. Step 2: Convert to fraction form
    129,946.12/194,943.75 = 41,221.96/x
  3. Step 3: Cross multiply
    129,946.12x = 194,943.75 × 41,221.96
  4. Step 4: Simplify right side
    129,946.12x = 8,035,963,464.75
  5. Step 5: Solve for x
    x = 8,035,963,464.75/129,946.12
  6. Step 6: Final answer
    x = 61,840.73

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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.