Home / 144,283.55-199,110.86-80,621.39

Finding the Fourth Proportional to 144,283.55, 199,110.86 and 80,621.39

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Solution

The fourth proportional to 144,283.55, 199,110.86 and 80,621.39 is: 111,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,283.55 : 199,110.86 = 80,621.39 : x
  2. Step 2: Convert to fraction form
    144,283.55/199,110.86 = 80,621.39/x
  3. Step 3: Cross multiply
    144,283.55x = 199,110.86 × 80,621.39
  4. Step 4: Simplify right side
    144,283.55x = 16,052,594,694.30
  5. Step 5: Solve for x
    x = 16,052,594,694.30/144,283.55
  6. Step 6: Final answer
    x = 111,257.28

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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.