Home / 102,771.18-154,159.89-27,891.06

Finding the Fourth Proportional to 102,771.18, 154,159.89 and 27,891.06

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Solution

The fourth proportional to 102,771.18, 154,159.89 and 27,891.06 is: 41,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,771.18 : 154,159.89 = 27,891.06 : x
  2. Step 2: Convert to fraction form
    102,771.18/154,159.89 = 27,891.06/x
  3. Step 3: Cross multiply
    102,771.18x = 154,159.89 × 27,891.06
  4. Step 4: Simplify right side
    102,771.18x = 4,299,682,741.58
  5. Step 5: Solve for x
    x = 4,299,682,741.58/102,771.18
  6. Step 6: Final answer
    x = 41,837.44

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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.