Home / 76,141.08-114,211.26-50,787

Finding the Fourth Proportional to 76,141.08, 114,211.26 and 50,787

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Solution

The fourth proportional to 76,141.08, 114,211.26 and 50,787 is: 76,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,141.08 : 114,211.26 = 50,787 : x
  2. Step 2: Convert to fraction form
    76,141.08/114,211.26 = 50,787/x
  3. Step 3: Cross multiply
    76,141.08x = 114,211.26 × 50,787
  4. Step 4: Simplify right side
    76,141.08x = 5,800,447,261.62
  5. Step 5: Solve for x
    x = 5,800,447,261.62/76,141.08
  6. Step 6: Final answer
    x = 76,180.26

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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.