Home / 109,028.23-163,605.79-45,843.78

Finding the Fourth Proportional to 109,028.23, 163,605.79 and 45,843.78

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Solution

The fourth proportional to 109,028.23, 163,605.79 and 45,843.78 is: 68,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.23 : 163,605.79 = 45,843.78 : x
  2. Step 2: Convert to fraction form
    109,028.23/163,605.79 = 45,843.78/x
  3. Step 3: Cross multiply
    109,028.23x = 163,605.79 × 45,843.78
  4. Step 4: Simplify right side
    109,028.23x = 7,500,307,843.49
  5. Step 5: Solve for x
    x = 7,500,307,843.49/109,028.23
  6. Step 6: Final answer
    x = 68,792.35

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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.