Home / 107,919.45-148,942.31-61,993.44

Finding the Fourth Proportional to 107,919.45, 148,942.31 and 61,993.44

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Solution

The fourth proportional to 107,919.45, 148,942.31 and 61,993.44 is: 85,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,919.45 : 148,942.31 = 61,993.44 : x
  2. Step 2: Convert to fraction form
    107,919.45/148,942.31 = 61,993.44/x
  3. Step 3: Cross multiply
    107,919.45x = 148,942.31 × 61,993.44
  4. Step 4: Simplify right side
    107,919.45x = 9,233,445,848.48
  5. Step 5: Solve for x
    x = 9,233,445,848.48/107,919.45
  6. Step 6: Final answer
    x = 85,558.68

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Why These Related Problems?

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