Home / 203,094.12-280,278.63-112,450.07

Finding the Fourth Proportional to 203,094.12, 280,278.63 and 112,450.07

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Solution

The fourth proportional to 203,094.12, 280,278.63 and 112,450.07 is: 155,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,094.12 : 280,278.63 = 112,450.07 : x
  2. Step 2: Convert to fraction form
    203,094.12/280,278.63 = 112,450.07/x
  3. Step 3: Cross multiply
    203,094.12x = 280,278.63 × 112,450.07
  4. Step 4: Simplify right side
    203,094.12x = 31,517,351,563.00
  5. Step 5: Solve for x
    x = 31,517,351,563.00/203,094.12
  6. Step 6: Final answer
    x = 155,185.94

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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.