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Finding the Fourth Proportional to 165,801.40, 248,702.10 and 155,959.90

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Solution

The fourth proportional to 165,801.40, 248,702.10 and 155,959.90 is: 233,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,801.40 : 248,702.10 = 155,959.90 : x
  2. Step 2: Convert to fraction form
    165,801.40/248,702.10 = 155,959.90/x
  3. Step 3: Cross multiply
    165,801.40x = 248,702.10 × 155,959.90
  4. Step 4: Simplify right side
    165,801.40x = 38,787,554,645.79
  5. Step 5: Solve for x
    x = 38,787,554,645.79/165,801.40
  6. Step 6: Final answer
    x = 233,939.85

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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.