Home / 120,270.44-165,974.70-66,555.32

Finding the Fourth Proportional to 120,270.44, 165,974.70 and 66,555.32

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Solution

The fourth proportional to 120,270.44, 165,974.70 and 66,555.32 is: 91,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,270.44 : 165,974.70 = 66,555.32 : x
  2. Step 2: Convert to fraction form
    120,270.44/165,974.70 = 66,555.32/x
  3. Step 3: Cross multiply
    120,270.44x = 165,974.70 × 66,555.32
  4. Step 4: Simplify right side
    120,270.44x = 11,046,499,270.40
  5. Step 5: Solve for x
    x = 11,046,499,270.40/120,270.44
  6. Step 6: Final answer
    x = 91,847.17

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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.