Home / 136,574.64-188,485.38-82,873.26

Finding the Fourth Proportional to 136,574.64, 188,485.38 and 82,873.26

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Solution

The fourth proportional to 136,574.64, 188,485.38 and 82,873.26 is: 114,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,574.64 : 188,485.38 = 82,873.26 : x
  2. Step 2: Convert to fraction form
    136,574.64/188,485.38 = 82,873.26/x
  3. Step 3: Cross multiply
    136,574.64x = 188,485.38 × 82,873.26
  4. Step 4: Simplify right side
    136,574.64x = 15,620,397,902.94
  5. Step 5: Solve for x
    x = 15,620,397,902.94/136,574.64
  6. Step 6: Final answer
    x = 114,372.61

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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.