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Finding the Fourth Proportional to 169,139.54, 253,396.10 and 84,801.26

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Solution

The fourth proportional to 169,139.54, 253,396.10 and 84,801.26 is: 127,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,139.54 : 253,396.10 = 84,801.26 : x
  2. Step 2: Convert to fraction form
    169,139.54/253,396.10 = 84,801.26/x
  3. Step 3: Cross multiply
    169,139.54x = 253,396.10 × 84,801.26
  4. Step 4: Simplify right side
    169,139.54x = 21,488,308,559.09
  5. Step 5: Solve for x
    x = 21,488,308,559.09/169,139.54
  6. Step 6: Final answer
    x = 127,044.86

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1.5x scale

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.