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Finding the Fourth Proportional to 149,173.92, 223,728.48 and 49,310.64

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Solution

The fourth proportional to 149,173.92, 223,728.48 and 49,310.64 is: 73,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,173.92 : 223,728.48 = 49,310.64 : x
  2. Step 2: Convert to fraction form
    149,173.92/223,728.48 = 49,310.64/x
  3. Step 3: Cross multiply
    149,173.92x = 223,728.48 × 49,310.64
  4. Step 4: Simplify right side
    149,173.92x = 11,032,194,535.03
  5. Step 5: Solve for x
    x = 11,032,194,535.03/149,173.92
  6. Step 6: Final answer
    x = 73,955.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.