Home / 118,907.42-178,379.55-40,015.49

Finding the Fourth Proportional to 118,907.42, 178,379.55 and 40,015.49

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Solution

The fourth proportional to 118,907.42, 178,379.55 and 40,015.49 is: 60,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,907.42 : 178,379.55 = 40,015.49 : x
  2. Step 2: Convert to fraction form
    118,907.42/178,379.55 = 40,015.49/x
  3. Step 3: Cross multiply
    118,907.42x = 178,379.55 × 40,015.49
  4. Step 4: Simplify right side
    118,907.42x = 7,137,945,099.23
  5. Step 5: Solve for x
    x = 7,137,945,099.23/118,907.42
  6. Step 6: Final answer
    x = 60,029.43

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1.5x scale

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.