Home / 134,353.71-185,388.56-80,627.31

Finding the Fourth Proportional to 134,353.71, 185,388.56 and 80,627.31

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Solution

The fourth proportional to 134,353.71, 185,388.56 and 80,627.31 is: 111,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,353.71 : 185,388.56 = 80,627.31 : x
  2. Step 2: Convert to fraction form
    134,353.71/185,388.56 = 80,627.31/x
  3. Step 3: Cross multiply
    134,353.71x = 185,388.56 × 80,627.31
  4. Step 4: Simplify right side
    134,353.71x = 14,947,380,494.44
  5. Step 5: Solve for x
    x = 14,947,380,494.44/134,353.71
  6. Step 6: Final answer
    x = 111,253.95

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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.