Home / 76,135.41-114,210.72-26,208.90

Finding the Fourth Proportional to 76,135.41, 114,210.72 and 26,208.90

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Solution

The fourth proportional to 76,135.41, 114,210.72 and 26,208.90 is: 39,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135.41 : 114,210.72 = 26,208.90 : x
  2. Step 2: Convert to fraction form
    76,135.41/114,210.72 = 26,208.90/x
  3. Step 3: Cross multiply
    76,135.41x = 114,210.72 × 26,208.90
  4. Step 4: Simplify right side
    76,135.41x = 2,993,337,339.41
  5. Step 5: Solve for x
    x = 2,993,337,339.41/76,135.41
  6. Step 6: Final answer
    x = 39,315.97

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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.