Home / 256,766.07-384,999.34-106,826.67

Finding the Fourth Proportional to 256,766.07, 384,999.34 and 106,826.67

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Solution

The fourth proportional to 256,766.07, 384,999.34 and 106,826.67 is: 160,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,766.07 : 384,999.34 = 106,826.67 : x
  2. Step 2: Convert to fraction form
    256,766.07/384,999.34 = 106,826.67/x
  3. Step 3: Cross multiply
    256,766.07x = 384,999.34 × 106,826.67
  4. Step 4: Simplify right side
    256,766.07x = 41,128,198,139.83
  5. Step 5: Solve for x
    x = 41,128,198,139.83/256,766.07
  6. Step 6: Final answer
    x = 160,177.70

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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.