Home / 122,525.10-183,690.45-67,121.10

Finding the Fourth Proportional to 122,525.10, 183,690.45 and 67,121.10

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Solution

The fourth proportional to 122,525.10, 183,690.45 and 67,121.10 is: 100,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,525.10 : 183,690.45 = 67,121.10 : x
  2. Step 2: Convert to fraction form
    122,525.10/183,690.45 = 67,121.10/x
  3. Step 3: Cross multiply
    122,525.10x = 183,690.45 × 67,121.10
  4. Step 4: Simplify right side
    122,525.10x = 12,329,505,063.50
  5. Step 5: Solve for x
    x = 12,329,505,063.50/122,525.10
  6. Step 6: Final answer
    x = 100,628.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.