Home / 131,215.23-195,799.04-117,078.03

Finding the Fourth Proportional to 131,215.23, 195,799.04 and 117,078.03

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Solution

The fourth proportional to 131,215.23, 195,799.04 and 117,078.03 is: 174,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,215.23 : 195,799.04 = 117,078.03 : x
  2. Step 2: Convert to fraction form
    131,215.23/195,799.04 = 117,078.03/x
  3. Step 3: Cross multiply
    131,215.23x = 195,799.04 × 117,078.03
  4. Step 4: Simplify right side
    131,215.23x = 22,923,765,879.09
  5. Step 5: Solve for x
    x = 22,923,765,879.09/131,215.23
  6. Step 6: Final answer
    x = 174,703.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.