Home / 81,983.10-113,137.08-46,173.72

Finding the Fourth Proportional to 81,983.10, 113,137.08 and 46,173.72

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Solution

The fourth proportional to 81,983.10, 113,137.08 and 46,173.72 is: 63,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,983.10 : 113,137.08 = 46,173.72 : x
  2. Step 2: Convert to fraction form
    81,983.10/113,137.08 = 46,173.72/x
  3. Step 3: Cross multiply
    81,983.10x = 113,137.08 × 46,173.72
  4. Step 4: Simplify right side
    81,983.10x = 5,223,959,853.54
  5. Step 5: Solve for x
    x = 5,223,959,853.54/81,983.10
  6. Step 6: Final answer
    x = 63,719.96

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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.