Home / 144,466.65-199,364.49-80,800.38

Finding the Fourth Proportional to 144,466.65, 199,364.49 and 80,800.38

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Solution

The fourth proportional to 144,466.65, 199,364.49 and 80,800.38 is: 111,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,466.65 : 199,364.49 = 80,800.38 : x
  2. Step 2: Convert to fraction form
    144,466.65/199,364.49 = 80,800.38/x
  3. Step 3: Cross multiply
    144,466.65x = 199,364.49 × 80,800.38
  4. Step 4: Simplify right side
    144,466.65x = 16,108,726,550.51
  5. Step 5: Solve for x
    x = 16,108,726,550.51/144,466.65
  6. Step 6: Final answer
    x = 111,504.81

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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.