Home / 140,945.76-194,497.74-80,504.46

Finding the Fourth Proportional to 140,945.76, 194,497.74 and 80,504.46

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Solution

The fourth proportional to 140,945.76, 194,497.74 and 80,504.46 is: 111,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,945.76 : 194,497.74 = 80,504.46 : x
  2. Step 2: Convert to fraction form
    140,945.76/194,497.74 = 80,504.46/x
  3. Step 3: Cross multiply
    140,945.76x = 194,497.74 × 80,504.46
  4. Step 4: Simplify right side
    140,945.76x = 15,657,935,529.92
  5. Step 5: Solve for x
    x = 15,657,935,529.92/140,945.76
  6. Step 6: Final answer
    x = 111,091.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.