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Finding the Fourth Proportional to 188,054.40, 282,081.60 and 113,404.80

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Solution

The fourth proportional to 188,054.40, 282,081.60 and 113,404.80 is: 170,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,054.40 : 282,081.60 = 113,404.80 : x
  2. Step 2: Convert to fraction form
    188,054.40/282,081.60 = 113,404.80/x
  3. Step 3: Cross multiply
    188,054.40x = 282,081.60 × 113,404.80
  4. Step 4: Simplify right side
    188,054.40x = 31,989,407,431.68
  5. Step 5: Solve for x
    x = 31,989,407,431.68/188,054.40
  6. Step 6: Final answer
    x = 170,107.20

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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.