Home / 171,821.40-257,739.39-53,494.98

Finding the Fourth Proportional to 171,821.40, 257,739.39 and 53,494.98

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Solution

The fourth proportional to 171,821.40, 257,739.39 and 53,494.98 is: 80,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,821.40 : 257,739.39 = 53,494.98 : x
  2. Step 2: Convert to fraction form
    171,821.40/257,739.39 = 53,494.98/x
  3. Step 3: Cross multiply
    171,821.40x = 257,739.39 × 53,494.98
  4. Step 4: Simplify right side
    171,821.40x = 13,787,763,513.26
  5. Step 5: Solve for x
    x = 13,787,763,513.26/171,821.40
  6. Step 6: Final answer
    x = 80,244.74

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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.