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Finding the Fourth Proportional to 96,661.68, 144,994.16 and 26,540.52

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Solution

The fourth proportional to 96,661.68, 144,994.16 and 26,540.52 is: 39,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.68 : 144,994.16 = 26,540.52 : x
  2. Step 2: Convert to fraction form
    96,661.68/144,994.16 = 26,540.52/x
  3. Step 3: Cross multiply
    96,661.68x = 144,994.16 × 26,540.52
  4. Step 4: Simplify right side
    96,661.68x = 3,848,220,403.36
  5. Step 5: Solve for x
    x = 3,848,220,403.36/96,661.68
  6. Step 6: Final answer
    x = 39,811.23

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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.