Home / 145,923.57-218,218.32-106,076.43

Finding the Fourth Proportional to 145,923.57, 218,218.32 and 106,076.43

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Solution

The fourth proportional to 145,923.57, 218,218.32 and 106,076.43 is: 158,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,923.57 : 218,218.32 = 106,076.43 : x
  2. Step 2: Convert to fraction form
    145,923.57/218,218.32 = 106,076.43/x
  3. Step 3: Cross multiply
    145,923.57x = 218,218.32 × 106,076.43
  4. Step 4: Simplify right side
    145,923.57x = 23,147,820,346.20
  5. Step 5: Solve for x
    x = 23,147,820,346.20/145,923.57
  6. Step 6: Final answer
    x = 158,629.76

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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.