Home / 107,069.45-147,766.93-61,757.54

Finding the Fourth Proportional to 107,069.45, 147,766.93 and 61,757.54

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Solution

The fourth proportional to 107,069.45, 147,766.93 and 61,757.54 is: 85,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,069.45 : 147,766.93 = 61,757.54 : x
  2. Step 2: Convert to fraction form
    107,069.45/147,766.93 = 61,757.54/x
  3. Step 3: Cross multiply
    107,069.45x = 147,766.93 × 61,757.54
  4. Step 4: Simplify right side
    107,069.45x = 9,125,722,098.44
  5. Step 5: Solve for x
    x = 9,125,722,098.44/107,069.45
  6. Step 6: Final answer
    x = 85,231.81

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1.5x scale

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.