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Finding the Fourth Proportional to 114,606.27, 171,918.86 and 35,720.48

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Solution

The fourth proportional to 114,606.27, 171,918.86 and 35,720.48 is: 53,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,606.27 : 171,918.86 = 35,720.48 : x
  2. Step 2: Convert to fraction form
    114,606.27/171,918.86 = 35,720.48/x
  3. Step 3: Cross multiply
    114,606.27x = 171,918.86 × 35,720.48
  4. Step 4: Simplify right side
    114,606.27x = 6,141,023,162.06
  5. Step 5: Solve for x
    x = 6,141,023,162.06/114,606.27
  6. Step 6: Final answer
    x = 53,583.66

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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.