Home / 133,069.05-183,607.86-76,469.49

Finding the Fourth Proportional to 133,069.05, 183,607.86 and 76,469.49

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Solution

The fourth proportional to 133,069.05, 183,607.86 and 76,469.49 is: 105,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,069.05 : 183,607.86 = 76,469.49 : x
  2. Step 2: Convert to fraction form
    133,069.05/183,607.86 = 76,469.49/x
  3. Step 3: Cross multiply
    133,069.05x = 183,607.86 × 76,469.49
  4. Step 4: Simplify right side
    133,069.05x = 14,040,399,414.19
  5. Step 5: Solve for x
    x = 14,040,399,414.19/133,069.05
  6. Step 6: Final answer
    x = 105,512.13

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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.