Home / 134,979.40-202,469.10-108,735.40

Finding the Fourth Proportional to 134,979.40, 202,469.10 and 108,735.40

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Solution

The fourth proportional to 134,979.40, 202,469.10 and 108,735.40 is: 163,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,979.40 : 202,469.10 = 108,735.40 : x
  2. Step 2: Convert to fraction form
    134,979.40/202,469.10 = 108,735.40/x
  3. Step 3: Cross multiply
    134,979.40x = 202,469.10 × 108,735.40
  4. Step 4: Simplify right side
    134,979.40x = 22,015,558,576.14
  5. Step 5: Solve for x
    x = 22,015,558,576.14/134,979.40
  6. Step 6: Final answer
    x = 163,103.10

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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.