Home / 145,928.32-201,379.60-82,286.64

Finding the Fourth Proportional to 145,928.32, 201,379.60 and 82,286.64

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Solution

The fourth proportional to 145,928.32, 201,379.60 and 82,286.64 is: 113,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928.32 : 201,379.60 = 82,286.64 : x
  2. Step 2: Convert to fraction form
    145,928.32/201,379.60 = 82,286.64/x
  3. Step 3: Cross multiply
    145,928.32x = 201,379.60 × 82,286.64
  4. Step 4: Simplify right side
    145,928.32x = 16,570,850,648.54
  5. Step 5: Solve for x
    x = 16,570,850,648.54/145,928.32
  6. Step 6: Final answer
    x = 113,554.73

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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.