Home / 165,772.51-248,660.49-132,702.79

Finding the Fourth Proportional to 165,772.51, 248,660.49 and 132,702.79

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Solution

The fourth proportional to 165,772.51, 248,660.49 and 132,702.79 is: 199,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,772.51 : 248,660.49 = 132,702.79 : x
  2. Step 2: Convert to fraction form
    165,772.51/248,660.49 = 132,702.79/x
  3. Step 3: Cross multiply
    165,772.51x = 248,660.49 × 132,702.79
  4. Step 4: Simplify right side
    165,772.51x = 32,997,940,785.77
  5. Step 5: Solve for x
    x = 32,997,940,785.77/165,772.51
  6. Step 6: Final answer
    x = 199,055.57

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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.