Home / 203,133.34-304,586.07-139,163.77

Finding the Fourth Proportional to 203,133.34, 304,586.07 and 139,163.77

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Solution

The fourth proportional to 203,133.34, 304,586.07 and 139,163.77 is: 208,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,133.34 : 304,586.07 = 139,163.77 : x
  2. Step 2: Convert to fraction form
    203,133.34/304,586.07 = 139,163.77/x
  3. Step 3: Cross multiply
    203,133.34x = 304,586.07 × 139,163.77
  4. Step 4: Simplify right side
    203,133.34x = 42,387,345,790.68
  5. Step 5: Solve for x
    x = 42,387,345,790.68/203,133.34
  6. Step 6: Final answer
    x = 208,667.60

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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.