Home / 171,440.27-257,035.85-71,629.01

Finding the Fourth Proportional to 171,440.27, 257,035.85 and 71,629.01

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Solution

The fourth proportional to 171,440.27, 257,035.85 and 71,629.01 is: 107,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,440.27 : 257,035.85 = 71,629.01 : x
  2. Step 2: Convert to fraction form
    171,440.27/257,035.85 = 71,629.01/x
  3. Step 3: Cross multiply
    171,440.27x = 257,035.85 × 71,629.01
  4. Step 4: Simplify right side
    171,440.27x = 18,411,223,470.01
  5. Step 5: Solve for x
    x = 18,411,223,470.01/171,440.27
  6. Step 6: Final answer
    x = 107,391.48

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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.