Home / 133,093.05-183,669.35-72,664.89

Finding the Fourth Proportional to 133,093.05, 183,669.35 and 72,664.89

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Solution

The fourth proportional to 133,093.05, 183,669.35 and 72,664.89 is: 100,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.05 : 183,669.35 = 72,664.89 : x
  2. Step 2: Convert to fraction form
    133,093.05/183,669.35 = 72,664.89/x
  3. Step 3: Cross multiply
    133,093.05x = 183,669.35 × 72,664.89
  4. Step 4: Simplify right side
    133,093.05x = 13,346,313,114.12
  5. Step 5: Solve for x
    x = 13,346,313,114.12/133,093.05
  6. Step 6: Final answer
    x = 100,278.06

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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.