Home / 193,137.72-289,635.54-66,746.04

Finding the Fourth Proportional to 193,137.72, 289,635.54 and 66,746.04

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Solution

The fourth proportional to 193,137.72, 289,635.54 and 66,746.04 is: 100,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137.72 : 289,635.54 = 66,746.04 : x
  2. Step 2: Convert to fraction form
    193,137.72/289,635.54 = 66,746.04/x
  3. Step 3: Cross multiply
    193,137.72x = 289,635.54 × 66,746.04
  4. Step 4: Simplify right side
    193,137.72x = 19,332,025,338.26
  5. Step 5: Solve for x
    x = 19,332,025,338.26/193,137.72
  6. Step 6: Final answer
    x = 100,094.51

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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.