Home / 135,502.44-203,031.92-82,032.35

Finding the Fourth Proportional to 135,502.44, 203,031.92 and 82,032.35

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Solution

The fourth proportional to 135,502.44, 203,031.92 and 82,032.35 is: 122,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,502.44 : 203,031.92 = 82,032.35 : x
  2. Step 2: Convert to fraction form
    135,502.44/203,031.92 = 82,032.35/x
  3. Step 3: Cross multiply
    135,502.44x = 203,031.92 × 82,032.35
  4. Step 4: Simplify right side
    135,502.44x = 16,655,185,015.03
  5. Step 5: Solve for x
    x = 16,655,185,015.03/135,502.44
  6. Step 6: Final answer
    x = 122,914.28

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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.