Home / 146,136.81-219,211.60-46,304.36

Finding the Fourth Proportional to 146,136.81, 219,211.60 and 46,304.36

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Solution

The fourth proportional to 146,136.81, 219,211.60 and 46,304.36 is: 69,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,136.81 : 219,211.60 = 46,304.36 : x
  2. Step 2: Convert to fraction form
    146,136.81/219,211.60 = 46,304.36/x
  3. Step 3: Cross multiply
    146,136.81x = 219,211.60 × 46,304.36
  4. Step 4: Simplify right side
    146,136.81x = 10,150,452,842.58
  5. Step 5: Solve for x
    x = 10,150,452,842.58/146,136.81
  6. Step 6: Final answer
    x = 69,458.56

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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.