Home / 136,258.35-188,037.75-75,831.54

Finding the Fourth Proportional to 136,258.35, 188,037.75 and 75,831.54

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Solution

The fourth proportional to 136,258.35, 188,037.75 and 75,831.54 is: 104,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,258.35 : 188,037.75 = 75,831.54 : x
  2. Step 2: Convert to fraction form
    136,258.35/188,037.75 = 75,831.54/x
  3. Step 3: Cross multiply
    136,258.35x = 188,037.75 × 75,831.54
  4. Step 4: Simplify right side
    136,258.35x = 14,259,192,160.64
  5. Step 5: Solve for x
    x = 14,259,192,160.64/136,258.35
  6. Step 6: Final answer
    x = 104,648.21

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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.