Home / 102,759.02-154,138.61-27,879.16

Finding the Fourth Proportional to 102,759.02, 154,138.61 and 27,879.16

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Solution

The fourth proportional to 102,759.02, 154,138.61 and 27,879.16 is: 41,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,759.02 : 154,138.61 = 27,879.16 : x
  2. Step 2: Convert to fraction form
    102,759.02/154,138.61 = 27,879.16/x
  3. Step 3: Cross multiply
    102,759.02x = 154,138.61 × 27,879.16
  4. Step 4: Simplify right side
    102,759.02x = 4,297,255,097.06
  5. Step 5: Solve for x
    x = 4,297,255,097.06/102,759.02
  6. Step 6: Final answer
    x = 41,818.76

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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.