Home / 135,355.96-203,053.38-41,869

Finding the Fourth Proportional to 135,355.96, 203,053.38 and 41,869

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Solution

The fourth proportional to 135,355.96, 203,053.38 and 41,869 is: 62,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,355.96 : 203,053.38 = 41,869 : x
  2. Step 2: Convert to fraction form
    135,355.96/203,053.38 = 41,869/x
  3. Step 3: Cross multiply
    135,355.96x = 203,053.38 × 41,869
  4. Step 4: Simplify right side
    135,355.96x = 8,501,641,967.22
  5. Step 5: Solve for x
    x = 8,501,641,967.22/135,355.96
  6. Step 6: Final answer
    x = 62,809.51

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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.