Home / 133,243.15-183,877.82-79,517.74

Finding the Fourth Proportional to 133,243.15, 183,877.82 and 79,517.74

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Solution

The fourth proportional to 133,243.15, 183,877.82 and 79,517.74 is: 109,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,243.15 : 183,877.82 = 79,517.74 : x
  2. Step 2: Convert to fraction form
    133,243.15/183,877.82 = 79,517.74/x
  3. Step 3: Cross multiply
    133,243.15x = 183,877.82 × 79,517.74
  4. Step 4: Simplify right side
    133,243.15x = 14,621,548,284.94
  5. Step 5: Solve for x
    x = 14,621,548,284.94/133,243.15
  6. Step 6: Final answer
    x = 109,735.83

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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.