Home / 203,826.07-305,793.32-70,706.12

Finding the Fourth Proportional to 203,826.07, 305,793.32 and 70,706.12

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Solution

The fourth proportional to 203,826.07, 305,793.32 and 70,706.12 is: 106,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,826.07 : 305,793.32 = 70,706.12 : x
  2. Step 2: Convert to fraction form
    203,826.07/305,793.32 = 70,706.12/x
  3. Step 3: Cross multiply
    203,826.07x = 305,793.32 × 70,706.12
  4. Step 4: Simplify right side
    203,826.07x = 21,621,457,826.92
  5. Step 5: Solve for x
    x = 21,621,457,826.92/203,826.07
  6. Step 6: Final answer
    x = 106,077.98

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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.