Home / 135,140.20-202,418.70-111,812.20

Finding the Fourth Proportional to 135,140.20, 202,418.70 and 111,812.20

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Solution

The fourth proportional to 135,140.20, 202,418.70 and 111,812.20 is: 167,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,140.20 : 202,418.70 = 111,812.20 : x
  2. Step 2: Convert to fraction form
    135,140.20/202,418.70 = 111,812.20/x
  3. Step 3: Cross multiply
    135,140.20x = 202,418.70 × 111,812.20
  4. Step 4: Simplify right side
    135,140.20x = 22,632,880,168.14
  5. Step 5: Solve for x
    x = 22,632,880,168.14/135,140.20
  6. Step 6: Final answer
    x = 167,477.04

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1.5x scale

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.