Home / 106,628.04-159,932.72-43,454.80

Finding the Fourth Proportional to 106,628.04, 159,932.72 and 43,454.80

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Solution

The fourth proportional to 106,628.04, 159,932.72 and 43,454.80 is: 65,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,628.04 : 159,932.72 = 43,454.80 : x
  2. Step 2: Convert to fraction form
    106,628.04/159,932.72 = 43,454.80/x
  3. Step 3: Cross multiply
    106,628.04x = 159,932.72 × 43,454.80
  4. Step 4: Simplify right side
    106,628.04x = 6,949,844,361.06
  5. Step 5: Solve for x
    x = 6,949,844,361.06/106,628.04
  6. Step 6: Final answer
    x = 65,178.39

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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.