Home / 133,081.92-183,645.22-76,493.30

Finding the Fourth Proportional to 133,081.92, 183,645.22 and 76,493.30

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Solution

The fourth proportional to 133,081.92, 183,645.22 and 76,493.30 is: 105,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,081.92 : 183,645.22 = 76,493.30 : x
  2. Step 2: Convert to fraction form
    133,081.92/183,645.22 = 76,493.30/x
  3. Step 3: Cross multiply
    133,081.92x = 183,645.22 × 76,493.30
  4. Step 4: Simplify right side
    133,081.92x = 14,047,628,907.03
  5. Step 5: Solve for x
    x = 14,047,628,907.03/133,081.92
  6. Step 6: Final answer
    x = 105,556.25

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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.