Home / 106,857.40-160,286.10-89,944.60

Finding the Fourth Proportional to 106,857.40, 160,286.10 and 89,944.60

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Solution

The fourth proportional to 106,857.40, 160,286.10 and 89,944.60 is: 134,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,857.40 : 160,286.10 = 89,944.60 : x
  2. Step 2: Convert to fraction form
    106,857.40/160,286.10 = 89,944.60/x
  3. Step 3: Cross multiply
    106,857.40x = 160,286.10 × 89,944.60
  4. Step 4: Simplify right side
    106,857.40x = 14,416,869,150.06
  5. Step 5: Solve for x
    x = 14,416,869,150.06/106,857.40
  6. Step 6: Final answer
    x = 134,916.90

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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.