Home / 128,290.46-192,464.04-44,048.71

Finding the Fourth Proportional to 128,290.46, 192,464.04 and 44,048.71

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Solution

The fourth proportional to 128,290.46, 192,464.04 and 44,048.71 is: 66,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,290.46 : 192,464.04 = 44,048.71 : x
  2. Step 2: Convert to fraction form
    128,290.46/192,464.04 = 44,048.71/x
  3. Step 3: Cross multiply
    128,290.46x = 192,464.04 × 44,048.71
  4. Step 4: Simplify right side
    128,290.46x = 8,477,792,683.39
  5. Step 5: Solve for x
    x = 8,477,792,683.39/128,290.46
  6. Step 6: Final answer
    x = 66,082.80

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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.