Home / 143,942.98-215,908.35-49,181.66

Finding the Fourth Proportional to 143,942.98, 215,908.35 and 49,181.66

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Solution

The fourth proportional to 143,942.98, 215,908.35 and 49,181.66 is: 73,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,942.98 : 215,908.35 = 49,181.66 : x
  2. Step 2: Convert to fraction form
    143,942.98/215,908.35 = 49,181.66/x
  3. Step 3: Cross multiply
    143,942.98x = 215,908.35 × 49,181.66
  4. Step 4: Simplify right side
    143,942.98x = 10,618,731,060.86
  5. Step 5: Solve for x
    x = 10,618,731,060.86/143,942.98
  6. Step 6: Final answer
    x = 73,770.40

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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.