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Finding the Fourth Proportional to 149,251.55, 206,103.96 and 94,821.30

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Solution

The fourth proportional to 149,251.55, 206,103.96 and 94,821.30 is: 130,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,251.55 : 206,103.96 = 94,821.30 : x
  2. Step 2: Convert to fraction form
    149,251.55/206,103.96 = 94,821.30/x
  3. Step 3: Cross multiply
    149,251.55x = 206,103.96 × 94,821.30
  4. Step 4: Simplify right side
    149,251.55x = 19,543,045,422.35
  5. Step 5: Solve for x
    x = 19,543,045,422.35/149,251.55
  6. Step 6: Final answer
    x = 130,940.32

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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.