Home / 202,047.40-303,071.10-131,188.60

Finding the Fourth Proportional to 202,047.40, 303,071.10 and 131,188.60

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Solution

The fourth proportional to 202,047.40, 303,071.10 and 131,188.60 is: 196,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,047.40 : 303,071.10 = 131,188.60 : x
  2. Step 2: Convert to fraction form
    202,047.40/303,071.10 = 131,188.60/x
  3. Step 3: Cross multiply
    202,047.40x = 303,071.10 × 131,188.60
  4. Step 4: Simplify right side
    202,047.40x = 39,759,473,309.46
  5. Step 5: Solve for x
    x = 39,759,473,309.46/202,047.40
  6. Step 6: Final answer
    x = 196,782.90

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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.