Home / 171,450.27-257,050.80-71,639.03

Finding the Fourth Proportional to 171,450.27, 257,050.80 and 71,639.03

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Solution

The fourth proportional to 171,450.27, 257,050.80 and 71,639.03 is: 107,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,450.27 : 257,050.80 = 71,639.03 : x
  2. Step 2: Convert to fraction form
    171,450.27/257,050.80 = 71,639.03/x
  3. Step 3: Cross multiply
    171,450.27x = 257,050.80 × 71,639.03
  4. Step 4: Simplify right side
    171,450.27x = 18,414,870,615.35
  5. Step 5: Solve for x
    x = 18,414,870,615.35/171,450.27
  6. Step 6: Final answer
    x = 107,406.48

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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.