Home / 126,043.89-189,096-36,087.85

Finding the Fourth Proportional to 126,043.89, 189,096 and 36,087.85

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Solution

The fourth proportional to 126,043.89, 189,096 and 36,087.85 is: 54,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.89 : 189,096 = 36,087.85 : x
  2. Step 2: Convert to fraction form
    126,043.89/189,096 = 36,087.85/x
  3. Step 3: Cross multiply
    126,043.89x = 189,096 × 36,087.85
  4. Step 4: Simplify right side
    126,043.89x = 6,824,068,083.60
  5. Step 5: Solve for x
    x = 6,824,068,083.60/126,043.89
  6. Step 6: Final answer
    x = 54,140.41

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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.