Home / 220,185.60-303,844.80-119,583.36

Finding the Fourth Proportional to 220,185.60, 303,844.80 and 119,583.36

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Solution

The fourth proportional to 220,185.60, 303,844.80 and 119,583.36 is: 165,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185.60 : 303,844.80 = 119,583.36 : x
  2. Step 2: Convert to fraction form
    220,185.60/303,844.80 = 119,583.36/x
  3. Step 3: Cross multiply
    220,185.60x = 303,844.80 × 119,583.36
  4. Step 4: Simplify right side
    220,185.60x = 36,334,782,102.53
  5. Step 5: Solve for x
    x = 36,334,782,102.53/220,185.60
  6. Step 6: Final answer
    x = 165,018.88

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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.