Home / 133,060.62-183,629.07-72,635.34

Finding the Fourth Proportional to 133,060.62, 183,629.07 and 72,635.34

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Solution

The fourth proportional to 133,060.62, 183,629.07 and 72,635.34 is: 100,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.62 : 183,629.07 = 72,635.34 : x
  2. Step 2: Convert to fraction form
    133,060.62/183,629.07 = 72,635.34/x
  3. Step 3: Cross multiply
    133,060.62x = 183,629.07 × 72,635.34
  4. Step 4: Simplify right side
    133,060.62x = 13,337,959,933.33
  5. Step 5: Solve for x
    x = 13,337,959,933.33/133,060.62
  6. Step 6: Final answer
    x = 100,239.72

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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.