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Finding the Fourth Proportional to 131,451.40, 197,177.10 and 61,467.40

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Solution

The fourth proportional to 131,451.40, 197,177.10 and 61,467.40 is: 92,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451.40 : 197,177.10 = 61,467.40 : x
  2. Step 2: Convert to fraction form
    131,451.40/197,177.10 = 61,467.40/x
  3. Step 3: Cross multiply
    131,451.40x = 197,177.10 × 61,467.40
  4. Step 4: Simplify right side
    131,451.40x = 12,119,963,676.54
  5. Step 5: Solve for x
    x = 12,119,963,676.54/131,451.40
  6. Step 6: Final answer
    x = 92,201.10

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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.