Home / 171,760.23-257,515.79-115,460.69

Finding the Fourth Proportional to 171,760.23, 257,515.79 and 115,460.69

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Solution

The fourth proportional to 171,760.23, 257,515.79 and 115,460.69 is: 173,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,760.23 : 257,515.79 = 115,460.69 : x
  2. Step 2: Convert to fraction form
    171,760.23/257,515.79 = 115,460.69/x
  3. Step 3: Cross multiply
    171,760.23x = 257,515.79 × 115,460.69
  4. Step 4: Simplify right side
    171,760.23x = 29,732,948,934.41
  5. Step 5: Solve for x
    x = 29,732,948,934.41/171,760.23
  6. Step 6: Final answer
    x = 173,107.30

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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.