Home / 134,857.60-202,286.40-108,613.60

Finding the Fourth Proportional to 134,857.60, 202,286.40 and 108,613.60

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Solution

The fourth proportional to 134,857.60, 202,286.40 and 108,613.60 is: 162,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857.60 : 202,286.40 = 108,613.60 : x
  2. Step 2: Convert to fraction form
    134,857.60/202,286.40 = 108,613.60/x
  3. Step 3: Cross multiply
    134,857.60x = 202,286.40 × 108,613.60
  4. Step 4: Simplify right side
    134,857.60x = 21,971,054,135.04
  5. Step 5: Solve for x
    x = 21,971,054,135.04/134,857.60
  6. Step 6: Final answer
    x = 162,920.40

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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.