Home / 147,857.05-204,042.78-79,874.02

Finding the Fourth Proportional to 147,857.05, 204,042.78 and 79,874.02

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Solution

The fourth proportional to 147,857.05, 204,042.78 and 79,874.02 is: 110,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,857.05 : 204,042.78 = 79,874.02 : x
  2. Step 2: Convert to fraction form
    147,857.05/204,042.78 = 79,874.02/x
  3. Step 3: Cross multiply
    147,857.05x = 204,042.78 × 79,874.02
  4. Step 4: Simplify right side
    147,857.05x = 16,297,717,090.58
  5. Step 5: Solve for x
    x = 16,297,717,090.58/147,857.05
  6. Step 6: Final answer
    x = 110,226.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.