Home / 171,760.20-257,684.22-53,432.55

Finding the Fourth Proportional to 171,760.20, 257,684.22 and 53,432.55

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Solution

The fourth proportional to 171,760.20, 257,684.22 and 53,432.55 is: 80,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,760.20 : 257,684.22 = 53,432.55 : x
  2. Step 2: Convert to fraction form
    171,760.20/257,684.22 = 53,432.55/x
  3. Step 3: Cross multiply
    171,760.20x = 257,684.22 × 53,432.55
  4. Step 4: Simplify right side
    171,760.20x = 13,768,724,969.36
  5. Step 5: Solve for x
    x = 13,768,724,969.36/171,760.20
  6. Step 6: Final answer
    x = 80,162.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.