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Finding the Fourth Proportional to 147,798, 203,966.28 and 80,734.32

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Solution

The fourth proportional to 147,798, 203,966.28 and 80,734.32 is: 111,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,798 : 203,966.28 = 80,734.32 : x
  2. Step 2: Convert to fraction form
    147,798/203,966.28 = 80,734.32/x
  3. Step 3: Cross multiply
    147,798x = 203,966.28 × 80,734.32
  4. Step 4: Simplify right side
    147,798x = 16,467,078,918.73
  5. Step 5: Solve for x
    x = 16,467,078,918.73/147,798
  6. Step 6: Final answer
    x = 111,416.11

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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.