Home / 132,540.48-198,804.24-49,428

Finding the Fourth Proportional to 132,540.48, 198,804.24 and 49,428

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Solution

The fourth proportional to 132,540.48, 198,804.24 and 49,428 is: 74,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,540.48 : 198,804.24 = 49,428 : x
  2. Step 2: Convert to fraction form
    132,540.48/198,804.24 = 49,428/x
  3. Step 3: Cross multiply
    132,540.48x = 198,804.24 × 49,428
  4. Step 4: Simplify right side
    132,540.48x = 9,826,495,974.72
  5. Step 5: Solve for x
    x = 9,826,495,974.72/132,540.48
  6. Step 6: Final answer
    x = 74,139.58

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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.