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Finding the Fourth Proportional to 181,420.62, 250,365.87 and 109,813.74

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Solution

The fourth proportional to 181,420.62, 250,365.87 and 109,813.74 is: 151,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.62 : 250,365.87 = 109,813.74 : x
  2. Step 2: Convert to fraction form
    181,420.62/250,365.87 = 109,813.74/x
  3. Step 3: Cross multiply
    181,420.62x = 250,365.87 × 109,813.74
  4. Step 4: Simplify right side
    181,420.62x = 27,493,612,553.05
  5. Step 5: Solve for x
    x = 27,493,612,553.05/181,420.62
  6. Step 6: Final answer
    x = 151,546.24

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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.