Home / 149,492.64-206,310.06-91,374.36

Finding the Fourth Proportional to 149,492.64, 206,310.06 and 91,374.36

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Solution

The fourth proportional to 149,492.64, 206,310.06 and 91,374.36 is: 126,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,492.64 : 206,310.06 = 91,374.36 : x
  2. Step 2: Convert to fraction form
    149,492.64/206,310.06 = 91,374.36/x
  3. Step 3: Cross multiply
    149,492.64x = 206,310.06 × 91,374.36
  4. Step 4: Simplify right side
    149,492.64x = 18,851,449,694.06
  5. Step 5: Solve for x
    x = 18,851,449,694.06/149,492.64
  6. Step 6: Final answer
    x = 126,102.86

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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.