Home / 203,772.47-281,192.02-113,121.36

Finding the Fourth Proportional to 203,772.47, 281,192.02 and 113,121.36

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Solution

The fourth proportional to 203,772.47, 281,192.02 and 113,121.36 is: 156,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,772.47 : 281,192.02 = 113,121.36 : x
  2. Step 2: Convert to fraction form
    203,772.47/281,192.02 = 113,121.36/x
  3. Step 3: Cross multiply
    203,772.47x = 281,192.02 × 113,121.36
  4. Step 4: Simplify right side
    203,772.47x = 31,808,824,786.10
  5. Step 5: Solve for x
    x = 31,808,824,786.10/203,772.47
  6. Step 6: Final answer
    x = 156,099.72

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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.