Home / 148,589.82-204,939.51-103,267.26

Finding the Fourth Proportional to 148,589.82, 204,939.51 and 103,267.26

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Solution

The fourth proportional to 148,589.82, 204,939.51 and 103,267.26 is: 142,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,589.82 : 204,939.51 = 103,267.26 : x
  2. Step 2: Convert to fraction form
    148,589.82/204,939.51 = 103,267.26/x
  3. Step 3: Cross multiply
    148,589.82x = 204,939.51 × 103,267.26
  4. Step 4: Simplify right side
    148,589.82x = 21,163,541,663.44
  5. Step 5: Solve for x
    x = 21,163,541,663.44/148,589.82
  6. Step 6: Final answer
    x = 142,429.28

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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.