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Finding the Fourth Proportional to 183,170.93, 274,283.22 and 126,420

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Solution

The fourth proportional to 183,170.93, 274,283.22 and 126,420 is: 189,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,170.93 : 274,283.22 = 126,420 : x
  2. Step 2: Convert to fraction form
    183,170.93/274,283.22 = 126,420/x
  3. Step 3: Cross multiply
    183,170.93x = 274,283.22 × 126,420
  4. Step 4: Simplify right side
    183,170.93x = 34,674,884,672.40
  5. Step 5: Solve for x
    x = 34,674,884,672.40/183,170.93
  6. Step 6: Final answer
    x = 189,303.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.