Home / 171,292.85-236,329.78-99,659.03

Finding the Fourth Proportional to 171,292.85, 236,329.78 and 99,659.03

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Solution

The fourth proportional to 171,292.85, 236,329.78 and 99,659.03 is: 137,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,292.85 : 236,329.78 = 99,659.03 : x
  2. Step 2: Convert to fraction form
    171,292.85/236,329.78 = 99,659.03/x
  3. Step 3: Cross multiply
    171,292.85x = 236,329.78 × 99,659.03
  4. Step 4: Simplify right side
    171,292.85x = 23,552,396,239.85
  5. Step 5: Solve for x
    x = 23,552,396,239.85/171,292.85
  6. Step 6: Final answer
    x = 137,497.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.