Home / 149,489.01-223,979.76-90,200.10

Finding the Fourth Proportional to 149,489.01, 223,979.76 and 90,200.10

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Solution

The fourth proportional to 149,489.01, 223,979.76 and 90,200.10 is: 135,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.01 : 223,979.76 = 90,200.10 : x
  2. Step 2: Convert to fraction form
    149,489.01/223,979.76 = 90,200.10/x
  3. Step 3: Cross multiply
    149,489.01x = 223,979.76 × 90,200.10
  4. Step 4: Simplify right side
    149,489.01x = 20,202,996,749.98
  5. Step 5: Solve for x
    x = 20,202,996,749.98/149,489.01
  6. Step 6: Final answer
    x = 135,147.04

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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.