Home / 135,121.16-186,441.54-84,797.48

Finding the Fourth Proportional to 135,121.16, 186,441.54 and 84,797.48

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Solution

The fourth proportional to 135,121.16, 186,441.54 and 84,797.48 is: 117,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,121.16 : 186,441.54 = 84,797.48 : x
  2. Step 2: Convert to fraction form
    135,121.16/186,441.54 = 84,797.48/x
  3. Step 3: Cross multiply
    135,121.16x = 186,441.54 × 84,797.48
  4. Step 4: Simplify right side
    135,121.16x = 15,809,772,759.32
  5. Step 5: Solve for x
    x = 15,809,772,759.32/135,121.16
  6. Step 6: Final answer
    x = 117,004.42

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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.