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Finding the Fourth Proportional to 161,235.29, 241,858.39 and 42,906.74

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Solution

The fourth proportional to 161,235.29, 241,858.39 and 42,906.74 is: 64,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,235.29 : 241,858.39 = 42,906.74 : x
  2. Step 2: Convert to fraction form
    161,235.29/241,858.39 = 42,906.74/x
  3. Step 3: Cross multiply
    161,235.29x = 241,858.39 × 42,906.74
  4. Step 4: Simplify right side
    161,235.29x = 10,377,355,056.55
  5. Step 5: Solve for x
    x = 10,377,355,056.55/161,235.29
  6. Step 6: Final answer
    x = 64,361.56

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1.5x scale

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.