Home / 103,684.23-155,520.86-51,075.95

Finding the Fourth Proportional to 103,684.23, 155,520.86 and 51,075.95

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Solution

The fourth proportional to 103,684.23, 155,520.86 and 51,075.95 is: 76,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.23 : 155,520.86 = 51,075.95 : x
  2. Step 2: Convert to fraction form
    103,684.23/155,520.86 = 51,075.95/x
  3. Step 3: Cross multiply
    103,684.23x = 155,520.86 × 51,075.95
  4. Step 4: Simplify right side
    103,684.23x = 7,943,374,636.33
  5. Step 5: Solve for x
    x = 7,943,374,636.33/103,684.23
  6. Step 6: Final answer
    x = 76,611.21

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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.