Home / 115,447.56-173,171.36-84,057.40

Finding the Fourth Proportional to 115,447.56, 173,171.36 and 84,057.40

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Solution

The fourth proportional to 115,447.56, 173,171.36 and 84,057.40 is: 126,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,447.56 : 173,171.36 = 84,057.40 : x
  2. Step 2: Convert to fraction form
    115,447.56/173,171.36 = 84,057.40/x
  3. Step 3: Cross multiply
    115,447.56x = 173,171.36 × 84,057.40
  4. Step 4: Simplify right side
    115,447.56x = 14,556,334,276.06
  5. Step 5: Solve for x
    x = 14,556,334,276.06/115,447.56
  6. Step 6: Final answer
    x = 126,086.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.