Home / 148,039.20-204,299.37-84,366.72

Finding the Fourth Proportional to 148,039.20, 204,299.37 and 84,366.72

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Solution

The fourth proportional to 148,039.20, 204,299.37 and 84,366.72 is: 116,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.20 : 204,299.37 = 84,366.72 : x
  2. Step 2: Convert to fraction form
    148,039.20/204,299.37 = 84,366.72/x
  3. Step 3: Cross multiply
    148,039.20x = 204,299.37 × 84,366.72
  4. Step 4: Simplify right side
    148,039.20x = 17,236,067,744.97
  5. Step 5: Solve for x
    x = 17,236,067,744.97/148,039.20
  6. Step 6: Final answer
    x = 116,429.08

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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.