Home / 136,401.24-204,634.08-42,907

Finding the Fourth Proportional to 136,401.24, 204,634.08 and 42,907

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Solution

The fourth proportional to 136,401.24, 204,634.08 and 42,907 is: 64,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,401.24 : 204,634.08 = 42,907 : x
  2. Step 2: Convert to fraction form
    136,401.24/204,634.08 = 42,907/x
  3. Step 3: Cross multiply
    136,401.24x = 204,634.08 × 42,907
  4. Step 4: Simplify right side
    136,401.24x = 8,780,234,470.56
  5. Step 5: Solve for x
    x = 8,780,234,470.56/136,401.24
  6. Step 6: Final answer
    x = 64,370.64

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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.