Home / 68,179.24-102,268.86-30,729.16

Finding the Fourth Proportional to 68,179.24, 102,268.86 and 30,729.16

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Solution

The fourth proportional to 68,179.24, 102,268.86 and 30,729.16 is: 46,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,179.24 : 102,268.86 = 30,729.16 : x
  2. Step 2: Convert to fraction form
    68,179.24/102,268.86 = 30,729.16/x
  3. Step 3: Cross multiply
    68,179.24x = 102,268.86 × 30,729.16
  4. Step 4: Simplify right side
    68,179.24x = 3,142,636,161.96
  5. Step 5: Solve for x
    x = 3,142,636,161.96/68,179.24
  6. Step 6: Final answer
    x = 46,093.74

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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.