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Finding the Fourth Proportional to 147,197.70, 202,928.75 and 99,375.30

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Solution

The fourth proportional to 147,197.70, 202,928.75 and 99,375.30 is: 137,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,197.70 : 202,928.75 = 99,375.30 : x
  2. Step 2: Convert to fraction form
    147,197.70/202,928.75 = 99,375.30/x
  3. Step 3: Cross multiply
    147,197.70x = 202,928.75 × 99,375.30
  4. Step 4: Simplify right side
    147,197.70x = 20,166,104,913.00
  5. Step 5: Solve for x
    x = 20,166,104,913.00/147,197.70
  6. Step 6: Final answer
    x = 137,000.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.