Home / 166,786.09-250,117.62-72,020.64

Finding the Fourth Proportional to 166,786.09, 250,117.62 and 72,020.64

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Solution

The fourth proportional to 166,786.09, 250,117.62 and 72,020.64 is: 108,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,786.09 : 250,117.62 = 72,020.64 : x
  2. Step 2: Convert to fraction form
    166,786.09/250,117.62 = 72,020.64/x
  3. Step 3: Cross multiply
    166,786.09x = 250,117.62 × 72,020.64
  4. Step 4: Simplify right side
    166,786.09x = 18,013,632,140.66
  5. Step 5: Solve for x
    x = 18,013,632,140.66/166,786.09
  6. Step 6: Final answer
    x = 108,004.40

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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.