Home / 149,493.24-206,290.86-82,425.72

Finding the Fourth Proportional to 149,493.24, 206,290.86 and 82,425.72

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Solution

The fourth proportional to 149,493.24, 206,290.86 and 82,425.72 is: 113,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,493.24 : 206,290.86 = 82,425.72 : x
  2. Step 2: Convert to fraction form
    149,493.24/206,290.86 = 82,425.72/x
  3. Step 3: Cross multiply
    149,493.24x = 206,290.86 × 82,425.72
  4. Step 4: Simplify right side
    149,493.24x = 17,003,672,664.92
  5. Step 5: Solve for x
    x = 17,003,672,664.92/149,493.24
  6. Step 6: Final answer
    x = 113,742.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.