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Finding the Fourth Proportional to 202,124.40, 303,186.60 and 83,756.40

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Solution

The fourth proportional to 202,124.40, 303,186.60 and 83,756.40 is: 125,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,124.40 : 303,186.60 = 83,756.40 : x
  2. Step 2: Convert to fraction form
    202,124.40/303,186.60 = 83,756.40/x
  3. Step 3: Cross multiply
    202,124.40x = 303,186.60 × 83,756.40
  4. Step 4: Simplify right side
    202,124.40x = 25,393,818,144.24
  5. Step 5: Solve for x
    x = 25,393,818,144.24/202,124.40
  6. Step 6: Final answer
    x = 125,634.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.