Home / 95,455.14-131,720.40-55,171.51

Finding the Fourth Proportional to 95,455.14, 131,720.40 and 55,171.51

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Solution

The fourth proportional to 95,455.14, 131,720.40 and 55,171.51 is: 76,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,455.14 : 131,720.40 = 55,171.51 : x
  2. Step 2: Convert to fraction form
    95,455.14/131,720.40 = 55,171.51/x
  3. Step 3: Cross multiply
    95,455.14x = 131,720.40 × 55,171.51
  4. Step 4: Simplify right side
    95,455.14x = 7,267,213,365.80
  5. Step 5: Solve for x
    x = 7,267,213,365.80/95,455.14
  6. Step 6: Final answer
    x = 76,132.24

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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.