Home / 134,878.91-202,340.34-50,645.60

Finding the Fourth Proportional to 134,878.91, 202,340.34 and 50,645.60

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Solution

The fourth proportional to 134,878.91, 202,340.34 and 50,645.60 is: 75,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,878.91 : 202,340.34 = 50,645.60 : x
  2. Step 2: Convert to fraction form
    134,878.91/202,340.34 = 50,645.60/x
  3. Step 3: Cross multiply
    134,878.91x = 202,340.34 × 50,645.60
  4. Step 4: Simplify right side
    134,878.91x = 10,247,646,911.80
  5. Step 5: Solve for x
    x = 10,247,646,911.80/134,878.91
  6. Step 6: Final answer
    x = 75,976.64

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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.