Home / 165,215.75-228,017.18-98,147.75

Finding the Fourth Proportional to 165,215.75, 228,017.18 and 98,147.75

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Solution

The fourth proportional to 165,215.75, 228,017.18 and 98,147.75 is: 135,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,215.75 : 228,017.18 = 98,147.75 : x
  2. Step 2: Convert to fraction form
    165,215.75/228,017.18 = 98,147.75/x
  3. Step 3: Cross multiply
    165,215.75x = 228,017.18 × 98,147.75
  4. Step 4: Simplify right side
    165,215.75x = 22,379,372,687.61
  5. Step 5: Solve for x
    x = 22,379,372,687.61/165,215.75
  6. Step 6: Final answer
    x = 135,455.44

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1.5x scale

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.