Home / 133,257.88-183,896.22-72,829.72

Finding the Fourth Proportional to 133,257.88, 183,896.22 and 72,829.72

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Solution

The fourth proportional to 133,257.88, 183,896.22 and 72,829.72 is: 100,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,257.88 : 183,896.22 = 72,829.72 : x
  2. Step 2: Convert to fraction form
    133,257.88/183,896.22 = 72,829.72/x
  3. Step 3: Cross multiply
    133,257.88x = 183,896.22 × 72,829.72
  4. Step 4: Simplify right side
    133,257.88x = 13,393,110,211.66
  5. Step 5: Solve for x
    x = 13,393,110,211.66/133,257.88
  6. Step 6: Final answer
    x = 100,505.20

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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.