Home / 131,800.43-197,698.77-31,961.45

Finding the Fourth Proportional to 131,800.43, 197,698.77 and 31,961.45

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Solution

The fourth proportional to 131,800.43, 197,698.77 and 31,961.45 is: 47,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,800.43 : 197,698.77 = 31,961.45 : x
  2. Step 2: Convert to fraction form
    131,800.43/197,698.77 = 31,961.45/x
  3. Step 3: Cross multiply
    131,800.43x = 197,698.77 × 31,961.45
  4. Step 4: Simplify right side
    131,800.43x = 6,318,739,352.42
  5. Step 5: Solve for x
    x = 6,318,739,352.42/131,800.43
  6. Step 6: Final answer
    x = 47,941.72

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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.