Home / 143,961.38-215,942.08-73,795.94

Finding the Fourth Proportional to 143,961.38, 215,942.08 and 73,795.94

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Solution

The fourth proportional to 143,961.38, 215,942.08 and 73,795.94 is: 110,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,961.38 : 215,942.08 = 73,795.94 : x
  2. Step 2: Convert to fraction form
    143,961.38/215,942.08 = 73,795.94/x
  3. Step 3: Cross multiply
    143,961.38x = 215,942.08 × 73,795.94
  4. Step 4: Simplify right side
    143,961.38x = 15,935,648,779.16
  5. Step 5: Solve for x
    x = 15,935,648,779.16/143,961.38
  6. Step 6: Final answer
    x = 110,693.92

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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.