Home / 144,851.10-199,890.94-80,320.60

Finding the Fourth Proportional to 144,851.10, 199,890.94 and 80,320.60

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Solution

The fourth proportional to 144,851.10, 199,890.94 and 80,320.60 is: 110,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,851.10 : 199,890.94 = 80,320.60 : x
  2. Step 2: Convert to fraction form
    144,851.10/199,890.94 = 80,320.60/x
  3. Step 3: Cross multiply
    144,851.10x = 199,890.94 × 80,320.60
  4. Step 4: Simplify right side
    144,851.10x = 16,055,360,235.36
  5. Step 5: Solve for x
    x = 16,055,360,235.36/144,851.10
  6. Step 6: Final answer
    x = 110,840.44

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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.