Home / 148,238.57-204,570.82-80,256.96

Finding the Fourth Proportional to 148,238.57, 204,570.82 and 80,256.96

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Solution

The fourth proportional to 148,238.57, 204,570.82 and 80,256.96 is: 110,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.57 : 204,570.82 = 80,256.96 : x
  2. Step 2: Convert to fraction form
    148,238.57/204,570.82 = 80,256.96/x
  3. Step 3: Cross multiply
    148,238.57x = 204,570.82 × 80,256.96
  4. Step 4: Simplify right side
    148,238.57x = 16,418,232,218.23
  5. Step 5: Solve for x
    x = 16,418,232,218.23/148,238.57
  6. Step 6: Final answer
    x = 110,755.47

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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.