Home / 76,139.96-114,209.57-50,785.88

Finding the Fourth Proportional to 76,139.96, 114,209.57 and 50,785.88

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Solution

The fourth proportional to 76,139.96, 114,209.57 and 50,785.88 is: 76,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,139.96 : 114,209.57 = 50,785.88 : x
  2. Step 2: Convert to fraction form
    76,139.96/114,209.57 = 50,785.88/x
  3. Step 3: Cross multiply
    76,139.96x = 114,209.57 × 50,785.88
  4. Step 4: Simplify right side
    76,139.96x = 5,800,233,072.79
  5. Step 5: Solve for x
    x = 5,800,233,072.79/76,139.96
  6. Step 6: Final answer
    x = 76,178.57

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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.