Home / 122,368.80-183,517.70-51,289.55

Finding the Fourth Proportional to 122,368.80, 183,517.70 and 51,289.55

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Solution

The fourth proportional to 122,368.80, 183,517.70 and 51,289.55 is: 76,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,368.80 : 183,517.70 = 51,289.55 : x
  2. Step 2: Convert to fraction form
    122,368.80/183,517.70 = 51,289.55/x
  3. Step 3: Cross multiply
    122,368.80x = 183,517.70 × 51,289.55
  4. Step 4: Simplify right side
    122,368.80x = 9,412,539,076.00
  5. Step 5: Solve for x
    x = 9,412,539,076.00/122,368.80
  6. Step 6: Final answer
    x = 76,919.44

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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.