Home / 135,025.67-202,286.99-84,440.36

Finding the Fourth Proportional to 135,025.67, 202,286.99 and 84,440.36

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Solution

The fourth proportional to 135,025.67, 202,286.99 and 84,440.36 is: 126,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.67 : 202,286.99 = 84,440.36 : x
  2. Step 2: Convert to fraction form
    135,025.67/202,286.99 = 84,440.36/x
  3. Step 3: Cross multiply
    135,025.67x = 202,286.99 × 84,440.36
  4. Step 4: Simplify right side
    135,025.67x = 17,081,184,825.28
  5. Step 5: Solve for x
    x = 17,081,184,825.28/135,025.67
  6. Step 6: Final answer
    x = 126,503.25

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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.