Home / 115,639.94-173,525.52-45,568.46

Finding the Fourth Proportional to 115,639.94, 173,525.52 and 45,568.46

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Solution

The fourth proportional to 115,639.94, 173,525.52 and 45,568.46 is: 68,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,639.94 : 173,525.52 = 45,568.46 : x
  2. Step 2: Convert to fraction form
    115,639.94/173,525.52 = 45,568.46/x
  3. Step 3: Cross multiply
    115,639.94x = 173,525.52 × 45,568.46
  4. Step 4: Simplify right side
    115,639.94x = 7,907,290,717.10
  5. Step 5: Solve for x
    x = 7,907,290,717.10/115,639.94
  6. Step 6: Final answer
    x = 68,378.54

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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.