Home / 202,037.40-303,056.10-131,178.60

Finding the Fourth Proportional to 202,037.40, 303,056.10 and 131,178.60

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Solution

The fourth proportional to 202,037.40, 303,056.10 and 131,178.60 is: 196,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,037.40 : 303,056.10 = 131,178.60 : x
  2. Step 2: Convert to fraction form
    202,037.40/303,056.10 = 131,178.60/x
  3. Step 3: Cross multiply
    202,037.40x = 303,056.10 × 131,178.60
  4. Step 4: Simplify right side
    202,037.40x = 39,754,474,919.46
  5. Step 5: Solve for x
    x = 39,754,474,919.46/202,037.40
  6. Step 6: Final answer
    x = 196,767.90

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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.