Home / 144,270.36-199,089.42-80,608.68

Finding the Fourth Proportional to 144,270.36, 199,089.42 and 80,608.68

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Solution

The fourth proportional to 144,270.36, 199,089.42 and 80,608.68 is: 111,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,270.36 : 199,089.42 = 80,608.68 : x
  2. Step 2: Convert to fraction form
    144,270.36/199,089.42 = 80,608.68/x
  3. Step 3: Cross multiply
    144,270.36x = 199,089.42 × 80,608.68
  4. Step 4: Simplify right side
    144,270.36x = 16,048,335,348.17
  5. Step 5: Solve for x
    x = 16,048,335,348.17/144,270.36
  6. Step 6: Final answer
    x = 111,237.92

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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.