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Finding the Fourth Proportional to 181,809.45, 250,904.43 and 101,231.87

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Solution

The fourth proportional to 181,809.45, 250,904.43 and 101,231.87 is: 139,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,809.45 : 250,904.43 = 101,231.87 : x
  2. Step 2: Convert to fraction form
    181,809.45/250,904.43 = 101,231.87/x
  3. Step 3: Cross multiply
    181,809.45x = 250,904.43 × 101,231.87
  4. Step 4: Simplify right side
    181,809.45x = 25,399,523,385.66
  5. Step 5: Solve for x
    x = 25,399,523,385.66/181,809.45
  6. Step 6: Final answer
    x = 139,704.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.