Home / 74,245.44-111,368.39-18,085.58

Finding the Fourth Proportional to 74,245.44, 111,368.39 and 18,085.58

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Solution

The fourth proportional to 74,245.44, 111,368.39 and 18,085.58 is: 27,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,245.44 : 111,368.39 = 18,085.58 : x
  2. Step 2: Convert to fraction form
    74,245.44/111,368.39 = 18,085.58/x
  3. Step 3: Cross multiply
    74,245.44x = 111,368.39 × 18,085.58
  4. Step 4: Simplify right side
    74,245.44x = 2,014,161,697.18
  5. Step 5: Solve for x
    x = 2,014,161,697.18/74,245.44
  6. Step 6: Final answer
    x = 27,128.42

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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.