Home / 203,027.07-304,602.88-90,801.68

Finding the Fourth Proportional to 203,027.07, 304,602.88 and 90,801.68

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Solution

The fourth proportional to 203,027.07, 304,602.88 and 90,801.68 is: 136,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,027.07 : 304,602.88 = 90,801.68 : x
  2. Step 2: Convert to fraction form
    203,027.07/304,602.88 = 90,801.68/x
  3. Step 3: Cross multiply
    203,027.07x = 304,602.88 × 90,801.68
  4. Step 4: Simplify right side
    203,027.07x = 27,658,452,586.90
  5. Step 5: Solve for x
    x = 27,658,452,586.90/203,027.07
  6. Step 6: Final answer
    x = 136,230.37

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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.