Home / 133,204.75-183,822.69-72,776.39

Finding the Fourth Proportional to 133,204.75, 183,822.69 and 72,776.39

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Solution

The fourth proportional to 133,204.75, 183,822.69 and 72,776.39 is: 100,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204.75 : 183,822.69 = 72,776.39 : x
  2. Step 2: Convert to fraction form
    133,204.75/183,822.69 = 72,776.39/x
  3. Step 3: Cross multiply
    133,204.75x = 183,822.69 × 72,776.39
  4. Step 4: Simplify right side
    133,204.75x = 13,377,951,132.09
  5. Step 5: Solve for x
    x = 13,377,951,132.09/133,204.75
  6. Step 6: Final answer
    x = 100,431.49

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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.