Home / 170,375.12-255,578.04-45,715.28

Finding the Fourth Proportional to 170,375.12, 255,578.04 and 45,715.28

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Solution

The fourth proportional to 170,375.12, 255,578.04 and 45,715.28 is: 68,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,375.12 : 255,578.04 = 45,715.28 : x
  2. Step 2: Convert to fraction form
    170,375.12/255,578.04 = 45,715.28/x
  3. Step 3: Cross multiply
    170,375.12x = 255,578.04 × 45,715.28
  4. Step 4: Simplify right side
    170,375.12x = 11,683,821,660.45
  5. Step 5: Solve for x
    x = 11,683,821,660.45/170,375.12
  6. Step 6: Final answer
    x = 68,577.04

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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.