Home / 132,739.92-199,128.60-49,626

Finding the Fourth Proportional to 132,739.92, 199,128.60 and 49,626

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Solution

The fourth proportional to 132,739.92, 199,128.60 and 49,626 is: 74,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739.92 : 199,128.60 = 49,626 : x
  2. Step 2: Convert to fraction form
    132,739.92/199,128.60 = 49,626/x
  3. Step 3: Cross multiply
    132,739.92x = 199,128.60 × 49,626
  4. Step 4: Simplify right side
    132,739.92x = 9,881,955,903.60
  5. Step 5: Solve for x
    x = 9,881,955,903.60/132,739.92
  6. Step 6: Final answer
    x = 74,446.00

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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.