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Finding the Fourth Proportional to 169,894.89, 254,843.14 and 51,567.25

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Solution

The fourth proportional to 169,894.89, 254,843.14 and 51,567.25 is: 77,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,894.89 : 254,843.14 = 51,567.25 : x
  2. Step 2: Convert to fraction form
    169,894.89/254,843.14 = 51,567.25/x
  3. Step 3: Cross multiply
    169,894.89x = 254,843.14 × 51,567.25
  4. Step 4: Simplify right side
    169,894.89x = 13,141,559,911.17
  5. Step 5: Solve for x
    x = 13,141,559,911.17/169,894.89
  6. Step 6: Final answer
    x = 77,351.12

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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.