Home / 144,515.20-199,431.87-80,852.98

Finding the Fourth Proportional to 144,515.20, 199,431.87 and 80,852.98

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Solution

The fourth proportional to 144,515.20, 199,431.87 and 80,852.98 is: 111,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,515.20 : 199,431.87 = 80,852.98 : x
  2. Step 2: Convert to fraction form
    144,515.20/199,431.87 = 80,852.98/x
  3. Step 3: Cross multiply
    144,515.20x = 199,431.87 × 80,852.98
  4. Step 4: Simplify right side
    144,515.20x = 16,124,660,996.47
  5. Step 5: Solve for x
    x = 16,124,660,996.47/144,515.20
  6. Step 6: Final answer
    x = 111,577.61

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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.