Home / 203,933.88-305,931.84-104,039.52

Finding the Fourth Proportional to 203,933.88, 305,931.84 and 104,039.52

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Solution

The fourth proportional to 203,933.88, 305,931.84 and 104,039.52 is: 156,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,933.88 : 305,931.84 = 104,039.52 : x
  2. Step 2: Convert to fraction form
    203,933.88/305,931.84 = 104,039.52/x
  3. Step 3: Cross multiply
    203,933.88x = 305,931.84 × 104,039.52
  4. Step 4: Simplify right side
    203,933.88x = 31,829,001,786.32
  5. Step 5: Solve for x
    x = 31,829,001,786.32/203,933.88
  6. Step 6: Final answer
    x = 156,075.11

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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.