Home / 142,249.66-213,508.41-72,179.26

Finding the Fourth Proportional to 142,249.66, 213,508.41 and 72,179.26

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Solution

The fourth proportional to 142,249.66, 213,508.41 and 72,179.26 is: 108,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,249.66 : 213,508.41 = 72,179.26 : x
  2. Step 2: Convert to fraction form
    142,249.66/213,508.41 = 72,179.26/x
  3. Step 3: Cross multiply
    142,249.66x = 213,508.41 × 72,179.26
  4. Step 4: Simplify right side
    142,249.66x = 15,410,879,037.58
  5. Step 5: Solve for x
    x = 15,410,879,037.58/142,249.66
  6. Step 6: Final answer
    x = 108,336.84

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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.