Home / 202,222.40-303,333.60-139,236.80

Finding the Fourth Proportional to 202,222.40, 303,333.60 and 139,236.80

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Solution

The fourth proportional to 202,222.40, 303,333.60 and 139,236.80 is: 208,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,222.40 : 303,333.60 = 139,236.80 : x
  2. Step 2: Convert to fraction form
    202,222.40/303,333.60 = 139,236.80/x
  3. Step 3: Cross multiply
    202,222.40x = 303,333.60 × 139,236.80
  4. Step 4: Simplify right side
    202,222.40x = 42,235,199,796.48
  5. Step 5: Solve for x
    x = 42,235,199,796.48/202,222.40
  6. Step 6: Final answer
    x = 208,855.20

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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.