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Finding the Fourth Proportional to 141,668.34, 212,468.49 and 41,801.55

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Solution

The fourth proportional to 141,668.34, 212,468.49 and 41,801.55 is: 62,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,668.34 : 212,468.49 = 41,801.55 : x
  2. Step 2: Convert to fraction form
    141,668.34/212,468.49 = 41,801.55/x
  3. Step 3: Cross multiply
    141,668.34x = 212,468.49 × 41,801.55
  4. Step 4: Simplify right side
    141,668.34x = 8,881,512,208.16
  5. Step 5: Solve for x
    x = 8,881,512,208.16/141,668.34
  6. Step 6: Final answer
    x = 62,692.29

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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.