Home / 119,912.06-165,477.93-66,200.42

Finding the Fourth Proportional to 119,912.06, 165,477.93 and 66,200.42

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Solution

The fourth proportional to 119,912.06, 165,477.93 and 66,200.42 is: 91,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,912.06 : 165,477.93 = 66,200.42 : x
  2. Step 2: Convert to fraction form
    119,912.06/165,477.93 = 66,200.42/x
  3. Step 3: Cross multiply
    119,912.06x = 165,477.93 × 66,200.42
  4. Step 4: Simplify right side
    119,912.06x = 10,954,708,466.73
  5. Step 5: Solve for x
    x = 10,954,708,466.73/119,912.06
  6. Step 6: Final answer
    x = 91,356.19

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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.