Home / 68,825.97-103,226.61-18,225.32

Finding the Fourth Proportional to 68,825.97, 103,226.61 and 18,225.32

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Solution

The fourth proportional to 68,825.97, 103,226.61 and 18,225.32 is: 27,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,825.97 : 103,226.61 = 18,225.32 : x
  2. Step 2: Convert to fraction form
    68,825.97/103,226.61 = 18,225.32/x
  3. Step 3: Cross multiply
    68,825.97x = 103,226.61 × 18,225.32
  4. Step 4: Simplify right side
    68,825.97x = 1,881,337,999.77
  5. Step 5: Solve for x
    x = 1,881,337,999.77/68,825.97
  6. Step 6: Final answer
    x = 27,334.71

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1.5x scale

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.