Home / 129,251.24-178,293.86-75,524.84

Finding the Fourth Proportional to 129,251.24, 178,293.86 and 75,524.84

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Solution

The fourth proportional to 129,251.24, 178,293.86 and 75,524.84 is: 104,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,251.24 : 178,293.86 = 75,524.84 : x
  2. Step 2: Convert to fraction form
    129,251.24/178,293.86 = 75,524.84/x
  3. Step 3: Cross multiply
    129,251.24x = 178,293.86 × 75,524.84
  4. Step 4: Simplify right side
    129,251.24x = 13,465,615,249.48
  5. Step 5: Solve for x
    x = 13,465,615,249.48/129,251.24
  6. Step 6: Final answer
    x = 104,181.71

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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.