Home / 135,266.42-202,705.54-75,977.39

Finding the Fourth Proportional to 135,266.42, 202,705.54 and 75,977.39

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Solution

The fourth proportional to 135,266.42, 202,705.54 and 75,977.39 is: 113,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,266.42 : 202,705.54 = 75,977.39 : x
  2. Step 2: Convert to fraction form
    135,266.42/202,705.54 = 75,977.39/x
  3. Step 3: Cross multiply
    135,266.42x = 202,705.54 × 75,977.39
  4. Step 4: Simplify right side
    135,266.42x = 15,401,038,184.56
  5. Step 5: Solve for x
    x = 15,401,038,184.56/135,266.42
  6. Step 6: Final answer
    x = 113,857.07

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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.