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Finding the Fourth Proportional to 114,561, 171,855.54 and 35,662.68

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Solution

The fourth proportional to 114,561, 171,855.54 and 35,662.68 is: 53,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,561 : 171,855.54 = 35,662.68 : x
  2. Step 2: Convert to fraction form
    114,561/171,855.54 = 35,662.68/x
  3. Step 3: Cross multiply
    114,561x = 171,855.54 × 35,662.68
  4. Step 4: Simplify right side
    114,561x = 6,128,829,129.25
  5. Step 5: Solve for x
    x = 6,128,829,129.25/114,561
  6. Step 6: Final answer
    x = 53,498.39

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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.