Home / 122,938.40-184,450.80-52,821.92

Finding the Fourth Proportional to 122,938.40, 184,450.80 and 52,821.92

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Solution

The fourth proportional to 122,938.40, 184,450.80 and 52,821.92 is: 79,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,938.40 : 184,450.80 = 52,821.92 : x
  2. Step 2: Convert to fraction form
    122,938.40/184,450.80 = 52,821.92/x
  3. Step 3: Cross multiply
    122,938.40x = 184,450.80 × 52,821.92
  4. Step 4: Simplify right side
    122,938.40x = 9,743,045,401.54
  5. Step 5: Solve for x
    x = 9,743,045,401.54/122,938.40
  6. Step 6: Final answer
    x = 79,251.44

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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.