Home / 144,280.54-199,106.66-80,618.34

Finding the Fourth Proportional to 144,280.54, 199,106.66 and 80,618.34

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Solution

The fourth proportional to 144,280.54, 199,106.66 and 80,618.34 is: 111,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,280.54 : 199,106.66 = 80,618.34 : x
  2. Step 2: Convert to fraction form
    144,280.54/199,106.66 = 80,618.34/x
  3. Step 3: Cross multiply
    144,280.54x = 199,106.66 × 80,618.34
  4. Step 4: Simplify right side
    144,280.54x = 16,051,647,786.89
  5. Step 5: Solve for x
    x = 16,051,647,786.89/144,280.54
  6. Step 6: Final answer
    x = 111,253.03

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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.