Home / 134,944.80-202,093.20-72,477.60

Finding the Fourth Proportional to 134,944.80, 202,093.20 and 72,477.60

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Solution

The fourth proportional to 134,944.80, 202,093.20 and 72,477.60 is: 108,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,944.80 : 202,093.20 = 72,477.60 : x
  2. Step 2: Convert to fraction form
    134,944.80/202,093.20 = 72,477.60/x
  3. Step 3: Cross multiply
    134,944.80x = 202,093.20 × 72,477.60
  4. Step 4: Simplify right side
    134,944.80x = 14,647,230,112.32
  5. Step 5: Solve for x
    x = 14,647,230,112.32/134,944.80
  6. Step 6: Final answer
    x = 108,542.38

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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.