Home / 113,999.28-170,993.64-76,575.12

Finding the Fourth Proportional to 113,999.28, 170,993.64 and 76,575.12

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Solution

The fourth proportional to 113,999.28, 170,993.64 and 76,575.12 is: 114,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,999.28 : 170,993.64 = 76,575.12 : x
  2. Step 2: Convert to fraction form
    113,999.28/170,993.64 = 76,575.12/x
  3. Step 3: Cross multiply
    113,999.28x = 170,993.64 × 76,575.12
  4. Step 4: Simplify right side
    113,999.28x = 13,093,858,502.24
  5. Step 5: Solve for x
    x = 13,093,858,502.24/113,999.28
  6. Step 6: Final answer
    x = 114,859.13

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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.