Home / 109,715.70-151,467.92-68,922.38

Finding the Fourth Proportional to 109,715.70, 151,467.92 and 68,922.38

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Solution

The fourth proportional to 109,715.70, 151,467.92 and 68,922.38 is: 95,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.70 : 151,467.92 = 68,922.38 : x
  2. Step 2: Convert to fraction form
    109,715.70/151,467.92 = 68,922.38/x
  3. Step 3: Cross multiply
    109,715.70x = 151,467.92 × 68,922.38
  4. Step 4: Simplify right side
    109,715.70x = 10,439,528,955.02
  5. Step 5: Solve for x
    x = 10,439,528,955.02/109,715.70
  6. Step 6: Final answer
    x = 95,150.73

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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.