Home / 82,198.32-113,431.68-46,389.84

Finding the Fourth Proportional to 82,198.32, 113,431.68 and 46,389.84

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Solution

The fourth proportional to 82,198.32, 113,431.68 and 46,389.84 is: 64,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,198.32 : 113,431.68 = 46,389.84 : x
  2. Step 2: Convert to fraction form
    82,198.32/113,431.68 = 46,389.84/x
  3. Step 3: Cross multiply
    82,198.32x = 113,431.68 × 46,389.84
  4. Step 4: Simplify right side
    82,198.32x = 5,262,077,486.13
  5. Step 5: Solve for x
    x = 5,262,077,486.13/82,198.32
  6. Step 6: Final answer
    x = 64,016.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.