Home / 122,069.80-183,104.70-102,386.80

Finding the Fourth Proportional to 122,069.80, 183,104.70 and 102,386.80

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Solution

The fourth proportional to 122,069.80, 183,104.70 and 102,386.80 is: 153,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,069.80 : 183,104.70 = 102,386.80 : x
  2. Step 2: Convert to fraction form
    122,069.80/183,104.70 = 102,386.80/x
  3. Step 3: Cross multiply
    122,069.80x = 183,104.70 × 102,386.80
  4. Step 4: Simplify right side
    122,069.80x = 18,747,504,297.96
  5. Step 5: Solve for x
    x = 18,747,504,297.96/122,069.80
  6. Step 6: Final answer
    x = 153,580.20

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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.