Home / 144,295.60-199,127.46-80,633.38

Finding the Fourth Proportional to 144,295.60, 199,127.46 and 80,633.38

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Solution

The fourth proportional to 144,295.60, 199,127.46 and 80,633.38 is: 111,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,295.60 : 199,127.46 = 80,633.38 : x
  2. Step 2: Convert to fraction form
    144,295.60/199,127.46 = 80,633.38/x
  3. Step 3: Cross multiply
    144,295.60x = 199,127.46 × 80,633.38
  4. Step 4: Simplify right side
    144,295.60x = 16,056,320,150.61
  5. Step 5: Solve for x
    x = 16,056,320,150.61/144,295.60
  6. Step 6: Final answer
    x = 111,273.80

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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.