Home / 171,815.28-237,093.04-99,221.44

Finding the Fourth Proportional to 171,815.28, 237,093.04 and 99,221.44

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Solution

The fourth proportional to 171,815.28, 237,093.04 and 99,221.44 is: 136,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,815.28 : 237,093.04 = 99,221.44 : x
  2. Step 2: Convert to fraction form
    171,815.28/237,093.04 = 99,221.44/x
  3. Step 3: Cross multiply
    171,815.28x = 237,093.04 × 99,221.44
  4. Step 4: Simplify right side
    171,815.28x = 23,524,712,842.78
  5. Step 5: Solve for x
    x = 23,524,712,842.78/171,815.28
  6. Step 6: Final answer
    x = 136,918.63

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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.