Home / 171,821.90-257,740.14-53,495.48

Finding the Fourth Proportional to 171,821.90, 257,740.14 and 53,495.48

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Solution

The fourth proportional to 171,821.90, 257,740.14 and 53,495.48 is: 80,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,821.90 : 257,740.14 = 53,495.48 : x
  2. Step 2: Convert to fraction form
    171,821.90/257,740.14 = 53,495.48/x
  3. Step 3: Cross multiply
    171,821.90x = 257,740.14 × 53,495.48
  4. Step 4: Simplify right side
    171,821.90x = 13,787,932,504.57
  5. Step 5: Solve for x
    x = 13,787,932,504.57/171,821.90
  6. Step 6: Final answer
    x = 80,245.49

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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.