Home / 143,942.48-215,907.60-49,181.16

Finding the Fourth Proportional to 143,942.48, 215,907.60 and 49,181.16

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Solution

The fourth proportional to 143,942.48, 215,907.60 and 49,181.16 is: 73,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,942.48 : 215,907.60 = 49,181.16 : x
  2. Step 2: Convert to fraction form
    143,942.48/215,907.60 = 49,181.16/x
  3. Step 3: Cross multiply
    143,942.48x = 215,907.60 × 49,181.16
  4. Step 4: Simplify right side
    143,942.48x = 10,618,586,220.82
  5. Step 5: Solve for x
    x = 10,618,586,220.82/143,942.48
  6. Step 6: Final answer
    x = 73,769.65

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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.