Home / 195,959.20-294,059.76-90,758.56

Finding the Fourth Proportional to 195,959.20, 294,059.76 and 90,758.56

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Solution

The fourth proportional to 195,959.20, 294,059.76 and 90,758.56 is: 136,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,959.20 : 294,059.76 = 90,758.56 : x
  2. Step 2: Convert to fraction form
    195,959.20/294,059.76 = 90,758.56/x
  3. Step 3: Cross multiply
    195,959.20x = 294,059.76 × 90,758.56
  4. Step 4: Simplify right side
    195,959.20x = 26,688,440,371.55
  5. Step 5: Solve for x
    x = 26,688,440,371.55/195,959.20
  6. Step 6: Final answer
    x = 136,193.86

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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.