Home / 135,795.44-203,398.32-83,045

Finding the Fourth Proportional to 135,795.44, 203,398.32 and 83,045

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Solution

The fourth proportional to 135,795.44, 203,398.32 and 83,045 is: 124,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,795.44 : 203,398.32 = 83,045 : x
  2. Step 2: Convert to fraction form
    135,795.44/203,398.32 = 83,045/x
  3. Step 3: Cross multiply
    135,795.44x = 203,398.32 × 83,045
  4. Step 4: Simplify right side
    135,795.44x = 16,891,213,484.40
  5. Step 5: Solve for x
    x = 16,891,213,484.40/135,795.44
  6. Step 6: Final answer
    x = 124,387.19

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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.