Home / 132,804.18-199,243.33-57,931.02

Finding the Fourth Proportional to 132,804.18, 199,243.33 and 57,931.02

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Solution

The fourth proportional to 132,804.18, 199,243.33 and 57,931.02 is: 86,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804.18 : 199,243.33 = 57,931.02 : x
  2. Step 2: Convert to fraction form
    132,804.18/199,243.33 = 57,931.02/x
  3. Step 3: Cross multiply
    132,804.18x = 199,243.33 × 57,931.02
  4. Step 4: Simplify right side
    132,804.18x = 11,542,369,190.27
  5. Step 5: Solve for x
    x = 11,542,369,190.27/132,804.18
  6. Step 6: Final answer
    x = 86,912.69

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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.