Home / 171,820.12-257,668.38-59,469.84

Finding the Fourth Proportional to 171,820.12, 257,668.38 and 59,469.84

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Solution

The fourth proportional to 171,820.12, 257,668.38 and 59,469.84 is: 89,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,820.12 : 257,668.38 = 59,469.84 : x
  2. Step 2: Convert to fraction form
    171,820.12/257,668.38 = 59,469.84/x
  3. Step 3: Cross multiply
    171,820.12x = 257,668.38 × 59,469.84
  4. Step 4: Simplify right side
    171,820.12x = 15,323,497,331.66
  5. Step 5: Solve for x
    x = 15,323,497,331.66/171,820.12
  6. Step 6: Final answer
    x = 89,183.37

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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.