Home / 132,749.55-199,224.56-90,529.52

Finding the Fourth Proportional to 132,749.55, 199,224.56 and 90,529.52

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Solution

The fourth proportional to 132,749.55, 199,224.56 and 90,529.52 is: 135,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,749.55 : 199,224.56 = 90,529.52 : x
  2. Step 2: Convert to fraction form
    132,749.55/199,224.56 = 90,529.52/x
  3. Step 3: Cross multiply
    132,749.55x = 199,224.56 × 90,529.52
  4. Step 4: Simplify right side
    132,749.55x = 18,035,703,019.21
  5. Step 5: Solve for x
    x = 18,035,703,019.21/132,749.55
  6. Step 6: Final answer
    x = 135,862.63

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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.