Home / 171,852.20-258,009.15-100,847.60

Finding the Fourth Proportional to 171,852.20, 258,009.15 and 100,847.60

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Solution

The fourth proportional to 171,852.20, 258,009.15 and 100,847.60 is: 151,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,852.20 : 258,009.15 = 100,847.60 : x
  2. Step 2: Convert to fraction form
    171,852.20/258,009.15 = 100,847.60/x
  3. Step 3: Cross multiply
    171,852.20x = 258,009.15 × 100,847.60
  4. Step 4: Simplify right side
    171,852.20x = 26,019,603,555.54
  5. Step 5: Solve for x
    x = 26,019,603,555.54/171,852.20
  6. Step 6: Final answer
    x = 151,406.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.