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Finding the Fourth Proportional to 149,560.22, 206,469.29 and 115,492.22

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Solution

The fourth proportional to 149,560.22, 206,469.29 and 115,492.22 is: 159,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,560.22 : 206,469.29 = 115,492.22 : x
  2. Step 2: Convert to fraction form
    149,560.22/206,469.29 = 115,492.22/x
  3. Step 3: Cross multiply
    149,560.22x = 206,469.29 × 115,492.22
  4. Step 4: Simplify right side
    149,560.22x = 23,845,597,182.95
  5. Step 5: Solve for x
    x = 23,845,597,182.95/149,560.22
  6. Step 6: Final answer
    x = 159,438.10

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1.5x scale

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.