Home / 135,028.32-202,669.60-68,516.20

Finding the Fourth Proportional to 135,028.32, 202,669.60 and 68,516.20

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Solution

The fourth proportional to 135,028.32, 202,669.60 and 68,516.20 is: 102,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,028.32 : 202,669.60 = 68,516.20 : x
  2. Step 2: Convert to fraction form
    135,028.32/202,669.60 = 68,516.20/x
  3. Step 3: Cross multiply
    135,028.32x = 202,669.60 × 68,516.20
  4. Step 4: Simplify right side
    135,028.32x = 13,886,150,847.52
  5. Step 5: Solve for x
    x = 13,886,150,847.52/135,028.32
  6. Step 6: Final answer
    x = 102,838.80

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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.