Home / 136,245.63-204,401.27-42,751.38

Finding the Fourth Proportional to 136,245.63, 204,401.27 and 42,751.38

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Solution

The fourth proportional to 136,245.63, 204,401.27 and 42,751.38 is: 64,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,245.63 : 204,401.27 = 42,751.38 : x
  2. Step 2: Convert to fraction form
    136,245.63/204,401.27 = 42,751.38/x
  3. Step 3: Cross multiply
    136,245.63x = 204,401.27 × 42,751.38
  4. Step 4: Simplify right side
    136,245.63x = 8,738,436,366.25
  5. Step 5: Solve for x
    x = 8,738,436,366.25/136,245.63
  6. Step 6: Final answer
    x = 64,137.37

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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.