Home / 131,983.60-198,012.24-43,299.48

Finding the Fourth Proportional to 131,983.60, 198,012.24 and 43,299.48

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Solution

The fourth proportional to 131,983.60, 198,012.24 and 43,299.48 is: 64,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,983.60 : 198,012.24 = 43,299.48 : x
  2. Step 2: Convert to fraction form
    131,983.60/198,012.24 = 43,299.48/x
  3. Step 3: Cross multiply
    131,983.60x = 198,012.24 × 43,299.48
  4. Step 4: Simplify right side
    131,983.60x = 8,573,827,025.64
  5. Step 5: Solve for x
    x = 8,573,827,025.64/131,983.60
  6. Step 6: Final answer
    x = 64,961.31

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1.5x scale

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.