Home / 135,278.20-202,859.58-46,540.67

Finding the Fourth Proportional to 135,278.20, 202,859.58 and 46,540.67

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Solution

The fourth proportional to 135,278.20, 202,859.58 and 46,540.67 is: 69,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,278.20 : 202,859.58 = 46,540.67 : x
  2. Step 2: Convert to fraction form
    135,278.20/202,859.58 = 46,540.67/x
  3. Step 3: Cross multiply
    135,278.20x = 202,859.58 × 46,540.67
  4. Step 4: Simplify right side
    135,278.20x = 9,441,220,769.12
  5. Step 5: Solve for x
    x = 9,441,220,769.12/135,278.20
  6. Step 6: Final answer
    x = 69,791.15

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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.