Home / 136,582.64-188,496.44-82,881.28

Finding the Fourth Proportional to 136,582.64, 188,496.44 and 82,881.28

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Solution

The fourth proportional to 136,582.64, 188,496.44 and 82,881.28 is: 114,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,582.64 : 188,496.44 = 82,881.28 : x
  2. Step 2: Convert to fraction form
    136,582.64/188,496.44 = 82,881.28/x
  3. Step 3: Cross multiply
    136,582.64x = 188,496.44 × 82,881.28
  4. Step 4: Simplify right side
    136,582.64x = 15,622,826,222.64
  5. Step 5: Solve for x
    x = 15,622,826,222.64/136,582.64
  6. Step 6: Final answer
    x = 114,383.69

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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.