Home / 171,823.77-257,836.14-71,975.52

Finding the Fourth Proportional to 171,823.77, 257,836.14 and 71,975.52

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Solution

The fourth proportional to 171,823.77, 257,836.14 and 71,975.52 is: 108,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,823.77 : 257,836.14 = 71,975.52 : x
  2. Step 2: Convert to fraction form
    171,823.77/257,836.14 = 71,975.52/x
  3. Step 3: Cross multiply
    171,823.77x = 257,836.14 × 71,975.52
  4. Step 4: Simplify right side
    171,823.77x = 18,557,890,251.29
  5. Step 5: Solve for x
    x = 18,557,890,251.29/171,823.77
  6. Step 6: Final answer
    x = 108,005.37

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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.