Home / 104,954.82-144,735.90-66,646.80

Finding the Fourth Proportional to 104,954.82, 144,735.90 and 66,646.80

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Solution

The fourth proportional to 104,954.82, 144,735.90 and 66,646.80 is: 91,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,954.82 : 144,735.90 = 66,646.80 : x
  2. Step 2: Convert to fraction form
    104,954.82/144,735.90 = 66,646.80/x
  3. Step 3: Cross multiply
    104,954.82x = 144,735.90 × 66,646.80
  4. Step 4: Simplify right side
    104,954.82x = 9,646,184,580.12
  5. Step 5: Solve for x
    x = 9,646,184,580.12/104,954.82
  6. Step 6: Final answer
    x = 91,907.97

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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.