Home / 215,983.61-298,050.41-117,863.09

Finding the Fourth Proportional to 215,983.61, 298,050.41 and 117,863.09

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Solution

The fourth proportional to 215,983.61, 298,050.41 and 117,863.09 is: 162,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,983.61 : 298,050.41 = 117,863.09 : x
  2. Step 2: Convert to fraction form
    215,983.61/298,050.41 = 117,863.09/x
  3. Step 3: Cross multiply
    215,983.61x = 298,050.41 × 117,863.09
  4. Step 4: Simplify right side
    215,983.61x = 35,129,140,218.80
  5. Step 5: Solve for x
    x = 35,129,140,218.80/215,983.61
  6. Step 6: Final answer
    x = 162,647.25

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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.