Home / 146,871.30-220,311.74-69,917.60

Finding the Fourth Proportional to 146,871.30, 220,311.74 and 69,917.60

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Solution

The fourth proportional to 146,871.30, 220,311.74 and 69,917.60 is: 104,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,871.30 : 220,311.74 = 69,917.60 : x
  2. Step 2: Convert to fraction form
    146,871.30/220,311.74 = 69,917.60/x
  3. Step 3: Cross multiply
    146,871.30x = 220,311.74 × 69,917.60
  4. Step 4: Simplify right side
    146,871.30x = 15,403,668,112.62
  5. Step 5: Solve for x
    x = 15,403,668,112.62/146,871.30
  6. Step 6: Final answer
    x = 104,878.68

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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.