Home / 197,636.28-296,364.98-85,263.48

Finding the Fourth Proportional to 197,636.28, 296,364.98 and 85,263.48

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Solution

The fourth proportional to 197,636.28, 296,364.98 and 85,263.48 is: 127,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,636.28 : 296,364.98 = 85,263.48 : x
  2. Step 2: Convert to fraction form
    197,636.28/296,364.98 = 85,263.48/x
  3. Step 3: Cross multiply
    197,636.28x = 296,364.98 × 85,263.48
  4. Step 4: Simplify right side
    197,636.28x = 25,269,109,544.93
  5. Step 5: Solve for x
    x = 25,269,109,544.93/197,636.28
  6. Step 6: Final answer
    x = 127,856.63

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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.