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Finding the Fourth Proportional to 144,295.98, 199,124.64 and 80,634.30

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Solution

The fourth proportional to 144,295.98, 199,124.64 and 80,634.30 is: 111,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,295.98 : 199,124.64 = 80,634.30 : x
  2. Step 2: Convert to fraction form
    144,295.98/199,124.64 = 80,634.30/x
  3. Step 3: Cross multiply
    144,295.98x = 199,124.64 × 80,634.30
  4. Step 4: Simplify right side
    144,295.98x = 16,056,275,959.15
  5. Step 5: Solve for x
    x = 16,056,275,959.15/144,295.98
  6. Step 6: Final answer
    x = 111,273.20

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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.