Home / 136,725.04-188,738.12-83,027.36

Finding the Fourth Proportional to 136,725.04, 188,738.12 and 83,027.36

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Solution

The fourth proportional to 136,725.04, 188,738.12 and 83,027.36 is: 114,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,725.04 : 188,738.12 = 83,027.36 : x
  2. Step 2: Convert to fraction form
    136,725.04/188,738.12 = 83,027.36/x
  3. Step 3: Cross multiply
    136,725.04x = 188,738.12 × 83,027.36
  4. Step 4: Simplify right side
    136,725.04x = 15,670,427,834.96
  5. Step 5: Solve for x
    x = 15,670,427,834.96/136,725.04
  6. Step 6: Final answer
    x = 114,612.71

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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.