Home / 171,354.39-257,093.07-76,576.63

Finding the Fourth Proportional to 171,354.39, 257,093.07 and 76,576.63

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Solution

The fourth proportional to 171,354.39, 257,093.07 and 76,576.63 is: 114,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,354.39 : 257,093.07 = 76,576.63 : x
  2. Step 2: Convert to fraction form
    171,354.39/257,093.07 = 76,576.63/x
  3. Step 3: Cross multiply
    171,354.39x = 257,093.07 × 76,576.63
  4. Step 4: Simplify right side
    171,354.39x = 19,687,320,896.95
  5. Step 5: Solve for x
    x = 19,687,320,896.95/171,354.39
  6. Step 6: Final answer
    x = 114,892.42

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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.