Home / 106,465.07-146,884.69-68,245.69

Finding the Fourth Proportional to 106,465.07, 146,884.69 and 68,245.69

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Solution

The fourth proportional to 106,465.07, 146,884.69 and 68,245.69 is: 94,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,465.07 : 146,884.69 = 68,245.69 : x
  2. Step 2: Convert to fraction form
    106,465.07/146,884.69 = 68,245.69/x
  3. Step 3: Cross multiply
    106,465.07x = 146,884.69 × 68,245.69
  4. Step 4: Simplify right side
    106,465.07x = 10,024,247,019.49
  5. Step 5: Solve for x
    x = 10,024,247,019.49/106,465.07
  6. Step 6: Final answer
    x = 94,155.27

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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.