Home / 134,256.89-185,274.25-76,914.78

Finding the Fourth Proportional to 134,256.89, 185,274.25 and 76,914.78

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Solution

The fourth proportional to 134,256.89, 185,274.25 and 76,914.78 is: 106,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,256.89 : 185,274.25 = 76,914.78 : x
  2. Step 2: Convert to fraction form
    134,256.89/185,274.25 = 76,914.78/x
  3. Step 3: Cross multiply
    134,256.89x = 185,274.25 × 76,914.78
  4. Step 4: Simplify right side
    134,256.89x = 14,250,327,660.05
  5. Step 5: Solve for x
    x = 14,250,327,660.05/134,256.89
  6. Step 6: Final answer
    x = 106,142.24

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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.