Home / 76,131.66-114,205.10-26,205.15

Finding the Fourth Proportional to 76,131.66, 114,205.10 and 26,205.15

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Solution

The fourth proportional to 76,131.66, 114,205.10 and 26,205.15 is: 39,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,131.66 : 114,205.10 = 26,205.15 : x
  2. Step 2: Convert to fraction form
    76,131.66/114,205.10 = 26,205.15/x
  3. Step 3: Cross multiply
    76,131.66x = 114,205.10 × 26,205.15
  4. Step 4: Simplify right side
    76,131.66x = 2,992,761,645.24
  5. Step 5: Solve for x
    x = 2,992,761,645.24/76,131.66
  6. Step 6: Final answer
    x = 39,310.34

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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.