Home / 149,062.30-223,331-140,183.08

Finding the Fourth Proportional to 149,062.30, 223,331 and 140,183.08

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Solution

The fourth proportional to 149,062.30, 223,331 and 140,183.08 is: 210,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,062.30 : 223,331 = 140,183.08 : x
  2. Step 2: Convert to fraction form
    149,062.30/223,331 = 140,183.08/x
  3. Step 3: Cross multiply
    149,062.30x = 223,331 × 140,183.08
  4. Step 4: Simplify right side
    149,062.30x = 31,307,227,439.48
  5. Step 5: Solve for x
    x = 31,307,227,439.48/149,062.30
  6. Step 6: Final answer
    x = 210,027.80

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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.