Home / 138,073.64-206,998.07-43,255.04

Finding the Fourth Proportional to 138,073.64, 206,998.07 and 43,255.04

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Solution

The fourth proportional to 138,073.64, 206,998.07 and 43,255.04 is: 64,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,073.64 : 206,998.07 = 43,255.04 : x
  2. Step 2: Convert to fraction form
    138,073.64/206,998.07 = 43,255.04/x
  3. Step 3: Cross multiply
    138,073.64x = 206,998.07 × 43,255.04
  4. Step 4: Simplify right side
    138,073.64x = 8,953,708,546.51
  5. Step 5: Solve for x
    x = 8,953,708,546.51/138,073.64
  6. Step 6: Final answer
    x = 64,847.34

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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.