Home / 102,924.20-154,400.70-43,759.40

Finding the Fourth Proportional to 102,924.20, 154,400.70 and 43,759.40

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Solution

The fourth proportional to 102,924.20, 154,400.70 and 43,759.40 is: 65,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,924.20 : 154,400.70 = 43,759.40 : x
  2. Step 2: Convert to fraction form
    102,924.20/154,400.70 = 43,759.40/x
  3. Step 3: Cross multiply
    102,924.20x = 154,400.70 × 43,759.40
  4. Step 4: Simplify right side
    102,924.20x = 6,756,481,991.58
  5. Step 5: Solve for x
    x = 6,756,481,991.58/102,924.20
  6. Step 6: Final answer
    x = 65,645.22

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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.