Home / 144,860.67-199,907.46-81,198.45

Finding the Fourth Proportional to 144,860.67, 199,907.46 and 81,198.45

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Solution

The fourth proportional to 144,860.67, 199,907.46 and 81,198.45 is: 112,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,860.67 : 199,907.46 = 81,198.45 : x
  2. Step 2: Convert to fraction form
    144,860.67/199,907.46 = 81,198.45/x
  3. Step 3: Cross multiply
    144,860.67x = 199,907.46 × 81,198.45
  4. Step 4: Simplify right side
    144,860.67x = 16,232,175,895.44
  5. Step 5: Solve for x
    x = 16,232,175,895.44/144,860.67
  6. Step 6: Final answer
    x = 112,053.71

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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.