Home / 221,069.25-305,124.77-140,481.03

Finding the Fourth Proportional to 221,069.25, 305,124.77 and 140,481.03

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Solution

The fourth proportional to 221,069.25, 305,124.77 and 140,481.03 is: 193,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,069.25 : 305,124.77 = 140,481.03 : x
  2. Step 2: Convert to fraction form
    221,069.25/305,124.77 = 140,481.03/x
  3. Step 3: Cross multiply
    221,069.25x = 305,124.77 × 140,481.03
  4. Step 4: Simplify right side
    221,069.25x = 42,864,243,463.53
  5. Step 5: Solve for x
    x = 42,864,243,463.53/221,069.25
  6. Step 6: Final answer
    x = 193,895.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.