Home / 134,333.28-185,425.46-83,375.84

Finding the Fourth Proportional to 134,333.28, 185,425.46 and 83,375.84

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Solution

The fourth proportional to 134,333.28, 185,425.46 and 83,375.84 is: 115,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,333.28 : 185,425.46 = 83,375.84 : x
  2. Step 2: Convert to fraction form
    134,333.28/185,425.46 = 83,375.84/x
  3. Step 3: Cross multiply
    134,333.28x = 185,425.46 × 83,375.84
  4. Step 4: Simplify right side
    134,333.28x = 15,460,002,140.88
  5. Step 5: Solve for x
    x = 15,460,002,140.88/134,333.28
  6. Step 6: Final answer
    x = 115,086.91

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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.