Home / 123,355.44-170,230.32-66,767.04

Finding the Fourth Proportional to 123,355.44, 170,230.32 and 66,767.04

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Solution

The fourth proportional to 123,355.44, 170,230.32 and 66,767.04 is: 92,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,355.44 : 170,230.32 = 66,767.04 : x
  2. Step 2: Convert to fraction form
    123,355.44/170,230.32 = 66,767.04/x
  3. Step 3: Cross multiply
    123,355.44x = 170,230.32 × 66,767.04
  4. Step 4: Simplify right side
    123,355.44x = 11,365,774,584.65
  5. Step 5: Solve for x
    x = 11,365,774,584.65/123,355.44
  6. Step 6: Final answer
    x = 92,138.41

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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.