Home / 143,840.63-215,800.11-43,998.60

Finding the Fourth Proportional to 143,840.63, 215,800.11 and 43,998.60

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Solution

The fourth proportional to 143,840.63, 215,800.11 and 43,998.60 is: 66,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,840.63 : 215,800.11 = 43,998.60 : x
  2. Step 2: Convert to fraction form
    143,840.63/215,800.11 = 43,998.60/x
  3. Step 3: Cross multiply
    143,840.63x = 215,800.11 × 43,998.60
  4. Step 4: Simplify right side
    143,840.63x = 9,494,902,719.85
  5. Step 5: Solve for x
    x = 9,494,902,719.85/143,840.63
  6. Step 6: Final answer
    x = 66,009.88

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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.