Home / 171,589.29-257,382.63-51,645.74

Finding the Fourth Proportional to 171,589.29, 257,382.63 and 51,645.74

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Solution

The fourth proportional to 171,589.29, 257,382.63 and 51,645.74 is: 77,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,589.29 : 257,382.63 = 51,645.74 : x
  2. Step 2: Convert to fraction form
    171,589.29/257,382.63 = 51,645.74/x
  3. Step 3: Cross multiply
    171,589.29x = 257,382.63 × 51,645.74
  4. Step 4: Simplify right side
    171,589.29x = 13,292,715,102.58
  5. Step 5: Solve for x
    x = 13,292,715,102.58/171,589.29
  6. Step 6: Final answer
    x = 77,468.21

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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.