Home / 81,974.45-113,126.85-46,165.70

Finding the Fourth Proportional to 81,974.45, 113,126.85 and 46,165.70

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Solution

The fourth proportional to 81,974.45, 113,126.85 and 46,165.70 is: 63,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,974.45 : 113,126.85 = 46,165.70 : x
  2. Step 2: Convert to fraction form
    81,974.45/113,126.85 = 46,165.70/x
  3. Step 3: Cross multiply
    81,974.45x = 113,126.85 × 46,165.70
  4. Step 4: Simplify right side
    81,974.45x = 5,222,580,219.05
  5. Step 5: Solve for x
    x = 5,222,580,219.05/81,974.45
  6. Step 6: Final answer
    x = 63,709.85

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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.