Home / 109,234.73-163,949.74-55,963

Finding the Fourth Proportional to 109,234.73, 163,949.74 and 55,963

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Solution

The fourth proportional to 109,234.73, 163,949.74 and 55,963 is: 83,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,234.73 : 163,949.74 = 55,963 : x
  2. Step 2: Convert to fraction form
    109,234.73/163,949.74 = 55,963/x
  3. Step 3: Cross multiply
    109,234.73x = 163,949.74 × 55,963
  4. Step 4: Simplify right side
    109,234.73x = 9,175,119,299.62
  5. Step 5: Solve for x
    x = 9,175,119,299.62/109,234.73
  6. Step 6: Final answer
    x = 83,994.53

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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.