Home / 171,635.09-257,389.43-59,286.47

Finding the Fourth Proportional to 171,635.09, 257,389.43 and 59,286.47

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Solution

The fourth proportional to 171,635.09, 257,389.43 and 59,286.47 is: 88,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,635.09 : 257,389.43 = 59,286.47 : x
  2. Step 2: Convert to fraction form
    171,635.09/257,389.43 = 59,286.47/x
  3. Step 3: Cross multiply
    171,635.09x = 257,389.43 × 59,286.47
  4. Step 4: Simplify right side
    171,635.09x = 15,259,709,136.63
  5. Step 5: Solve for x
    x = 15,259,709,136.63/171,635.09
  6. Step 6: Final answer
    x = 88,907.87

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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.