Home / 171,695.42-257,539.20-45,344.57

Finding the Fourth Proportional to 171,695.42, 257,539.20 and 45,344.57

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Solution

The fourth proportional to 171,695.42, 257,539.20 and 45,344.57 is: 68,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,695.42 : 257,539.20 = 45,344.57 : x
  2. Step 2: Convert to fraction form
    171,695.42/257,539.20 = 45,344.57/x
  3. Step 3: Cross multiply
    171,695.42x = 257,539.20 × 45,344.57
  4. Step 4: Simplify right side
    171,695.42x = 11,678,004,282.14
  5. Step 5: Solve for x
    x = 11,678,004,282.14/171,695.42
  6. Step 6: Final answer
    x = 68,015.82

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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.