Home / 131,771.72-197,694.47-52,941.31

Finding the Fourth Proportional to 131,771.72, 197,694.47 and 52,941.31

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Solution

The fourth proportional to 131,771.72, 197,694.47 and 52,941.31 is: 79,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,771.72 : 197,694.47 = 52,941.31 : x
  2. Step 2: Convert to fraction form
    131,771.72/197,694.47 = 52,941.31/x
  3. Step 3: Cross multiply
    131,771.72x = 197,694.47 × 52,941.31
  4. Step 4: Simplify right side
    131,771.72x = 10,466,203,859.67
  5. Step 5: Solve for x
    x = 10,466,203,859.67/131,771.72
  6. Step 6: Final answer
    x = 79,426.78

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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.