Home / 136,955.54-205,433.31-89,610.41

Finding the Fourth Proportional to 136,955.54, 205,433.31 and 89,610.41

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Solution

The fourth proportional to 136,955.54, 205,433.31 and 89,610.41 is: 134,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955.54 : 205,433.31 = 89,610.41 : x
  2. Step 2: Convert to fraction form
    136,955.54/205,433.31 = 89,610.41/x
  3. Step 3: Cross multiply
    136,955.54x = 205,433.31 × 89,610.41
  4. Step 4: Simplify right side
    136,955.54x = 18,408,962,109.59
  5. Step 5: Solve for x
    x = 18,408,962,109.59/136,955.54
  6. Step 6: Final answer
    x = 134,415.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.