Home / 143,112.34-214,766.93-49,618.09

Finding the Fourth Proportional to 143,112.34, 214,766.93 and 49,618.09

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Solution

The fourth proportional to 143,112.34, 214,766.93 and 49,618.09 is: 74,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,112.34 : 214,766.93 = 49,618.09 : x
  2. Step 2: Convert to fraction form
    143,112.34/214,766.93 = 49,618.09/x
  3. Step 3: Cross multiply
    143,112.34x = 214,766.93 × 49,618.09
  4. Step 4: Simplify right side
    143,112.34x = 10,656,324,861.76
  5. Step 5: Solve for x
    x = 10,656,324,861.76/143,112.34
  6. Step 6: Final answer
    x = 74,461.26

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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.