Home / 109,116.70-150,601.73-68,299.76

Finding the Fourth Proportional to 109,116.70, 150,601.73 and 68,299.76

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Solution

The fourth proportional to 109,116.70, 150,601.73 and 68,299.76 is: 94,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,116.70 : 150,601.73 = 68,299.76 : x
  2. Step 2: Convert to fraction form
    109,116.70/150,601.73 = 68,299.76/x
  3. Step 3: Cross multiply
    109,116.70x = 150,601.73 × 68,299.76
  4. Step 4: Simplify right side
    109,116.70x = 10,286,062,049.59
  5. Step 5: Solve for x
    x = 10,286,062,049.59/109,116.70
  6. Step 6: Final answer
    x = 94,266.62

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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.