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Finding the Fourth Proportional to 164,535.40, 246,608.70 and 122,933.80

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Solution

The fourth proportional to 164,535.40, 246,608.70 and 122,933.80 is: 184,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,535.40 : 246,608.70 = 122,933.80 : x
  2. Step 2: Convert to fraction form
    164,535.40/246,608.70 = 122,933.80/x
  3. Step 3: Cross multiply
    164,535.40x = 246,608.70 × 122,933.80
  4. Step 4: Simplify right side
    164,535.40x = 30,316,544,604.06
  5. Step 5: Solve for x
    x = 30,316,544,604.06/164,535.40
  6. Step 6: Final answer
    x = 184,255.45

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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.