Home / 76,128.66-114,200.62-26,202.15

Finding the Fourth Proportional to 76,128.66, 114,200.62 and 26,202.15

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Solution

The fourth proportional to 76,128.66, 114,200.62 and 26,202.15 is: 39,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128.66 : 114,200.62 = 26,202.15 : x
  2. Step 2: Convert to fraction form
    76,128.66/114,200.62 = 26,202.15/x
  3. Step 3: Cross multiply
    76,128.66x = 114,200.62 × 26,202.15
  4. Step 4: Simplify right side
    76,128.66x = 2,992,301,709.83
  5. Step 5: Solve for x
    x = 2,992,301,709.83/76,128.66
  6. Step 6: Final answer
    x = 39,305.85

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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.