Home / 189,310.92-261,241.32-104,427.96

Finding the Fourth Proportional to 189,310.92, 261,241.32 and 104,427.96

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Solution

The fourth proportional to 189,310.92, 261,241.32 and 104,427.96 is: 144,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,310.92 : 261,241.32 = 104,427.96 : x
  2. Step 2: Convert to fraction form
    189,310.92/261,241.32 = 104,427.96/x
  3. Step 3: Cross multiply
    189,310.92x = 261,241.32 × 104,427.96
  4. Step 4: Simplify right side
    189,310.92x = 27,280,898,115.31
  5. Step 5: Solve for x
    x = 27,280,898,115.31/189,310.92
  6. Step 6: Final answer
    x = 144,106.31

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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.