Home / 192,624.30-288,936.86-103,919.58

Finding the Fourth Proportional to 192,624.30, 288,936.86 and 103,919.58

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Solution

The fourth proportional to 192,624.30, 288,936.86 and 103,919.58 is: 155,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,624.30 : 288,936.86 = 103,919.58 : x
  2. Step 2: Convert to fraction form
    192,624.30/288,936.86 = 103,919.58/x
  3. Step 3: Cross multiply
    192,624.30x = 288,936.86 × 103,919.58
  4. Step 4: Simplify right side
    192,624.30x = 30,026,196,618.12
  5. Step 5: Solve for x
    x = 30,026,196,618.12/192,624.30
  6. Step 6: Final answer
    x = 155,879.59

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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.