Home / 103,194.07-154,780.73-28,321.74

Finding the Fourth Proportional to 103,194.07, 154,780.73 and 28,321.74

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Solution

The fourth proportional to 103,194.07, 154,780.73 and 28,321.74 is: 42,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194.07 : 154,780.73 = 28,321.74 : x
  2. Step 2: Convert to fraction form
    103,194.07/154,780.73 = 28,321.74/x
  3. Step 3: Cross multiply
    103,194.07x = 154,780.73 × 28,321.74
  4. Step 4: Simplify right side
    103,194.07x = 4,383,659,592.07
  5. Step 5: Solve for x
    x = 4,383,659,592.07/103,194.07
  6. Step 6: Final answer
    x = 42,479.76

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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.