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Finding the Fourth Proportional to 181,450.62, 250,415.82 and 100,884.78

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Solution

The fourth proportional to 181,450.62, 250,415.82 and 100,884.78 is: 139,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,450.62 : 250,415.82 = 100,884.78 : x
  2. Step 2: Convert to fraction form
    181,450.62/250,415.82 = 100,884.78/x
  3. Step 3: Cross multiply
    181,450.62x = 250,415.82 × 100,884.78
  4. Step 4: Simplify right side
    181,450.62x = 25,263,144,909.22
  5. Step 5: Solve for x
    x = 25,263,144,909.22/181,450.62
  6. Step 6: Final answer
    x = 139,228.76

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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.