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Finding the Fourth Proportional to 131,493.70, 197,240.55 and 109,623.70

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Solution

The fourth proportional to 131,493.70, 197,240.55 and 109,623.70 is: 164,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,493.70 : 197,240.55 = 109,623.70 : x
  2. Step 2: Convert to fraction form
    131,493.70/197,240.55 = 109,623.70/x
  3. Step 3: Cross multiply
    131,493.70x = 197,240.55 × 109,623.70
  4. Step 4: Simplify right side
    131,493.70x = 21,622,238,881.04
  5. Step 5: Solve for x
    x = 21,622,238,881.04/131,493.70
  6. Step 6: Final answer
    x = 164,435.55

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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.