Home / 193,530.80-289,907.40-110,327.60

Finding the Fourth Proportional to 193,530.80, 289,907.40 and 110,327.60

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Solution

The fourth proportional to 193,530.80, 289,907.40 and 110,327.60 is: 165,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,530.80 : 289,907.40 = 110,327.60 : x
  2. Step 2: Convert to fraction form
    193,530.80/289,907.40 = 110,327.60/x
  3. Step 3: Cross multiply
    193,530.80x = 289,907.40 × 110,327.60
  4. Step 4: Simplify right side
    193,530.80x = 31,984,787,664.24
  5. Step 5: Solve for x
    x = 31,984,787,664.24/193,530.80
  6. Step 6: Final answer
    x = 165,269.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.