Home / 135,066.45-202,626.81-40,298.07

Finding the Fourth Proportional to 135,066.45, 202,626.81 and 40,298.07

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Solution

The fourth proportional to 135,066.45, 202,626.81 and 40,298.07 is: 60,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,066.45 : 202,626.81 = 40,298.07 : x
  2. Step 2: Convert to fraction form
    135,066.45/202,626.81 = 40,298.07/x
  3. Step 3: Cross multiply
    135,066.45x = 202,626.81 × 40,298.07
  4. Step 4: Simplify right side
    135,066.45x = 8,165,469,373.26
  5. Step 5: Solve for x
    x = 8,165,469,373.26/135,066.45
  6. Step 6: Final answer
    x = 60,455.20

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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.