Home / 136,257.85-188,037.06-75,831.04

Finding the Fourth Proportional to 136,257.85, 188,037.06 and 75,831.04

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Solution

The fourth proportional to 136,257.85, 188,037.06 and 75,831.04 is: 104,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,257.85 : 188,037.06 = 75,831.04 : x
  2. Step 2: Convert to fraction form
    136,257.85/188,037.06 = 75,831.04/x
  3. Step 3: Cross multiply
    136,257.85x = 188,037.06 × 75,831.04
  4. Step 4: Simplify right side
    136,257.85x = 14,259,044,878.16
  5. Step 5: Solve for x
    x = 14,259,044,878.16/136,257.85
  6. Step 6: Final answer
    x = 104,647.51

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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.