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Finding the Fourth Proportional to 134,300.40, 201,450.60 and 80,847.60

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Solution

The fourth proportional to 134,300.40, 201,450.60 and 80,847.60 is: 121,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,300.40 : 201,450.60 = 80,847.60 : x
  2. Step 2: Convert to fraction form
    134,300.40/201,450.60 = 80,847.60/x
  3. Step 3: Cross multiply
    134,300.40x = 201,450.60 × 80,847.60
  4. Step 4: Simplify right side
    134,300.40x = 16,286,797,528.56
  5. Step 5: Solve for x
    x = 16,286,797,528.56/134,300.40
  6. Step 6: Final answer
    x = 121,271.40

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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.