Home / 149,129.72-223,701.60-43,949.60

Finding the Fourth Proportional to 149,129.72, 223,701.60 and 43,949.60

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Solution

The fourth proportional to 149,129.72, 223,701.60 and 43,949.60 is: 65,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,129.72 : 223,701.60 = 43,949.60 : x
  2. Step 2: Convert to fraction form
    149,129.72/223,701.60 = 43,949.60/x
  3. Step 3: Cross multiply
    149,129.72x = 223,701.60 × 43,949.60
  4. Step 4: Simplify right side
    149,129.72x = 9,831,595,839.36
  5. Step 5: Solve for x
    x = 9,831,595,839.36/149,129.72
  6. Step 6: Final answer
    x = 65,926.47

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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.