Home / 76,137.29-114,213.54-26,210.78

Finding the Fourth Proportional to 76,137.29, 114,213.54 and 26,210.78

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Solution

The fourth proportional to 76,137.29, 114,213.54 and 26,210.78 is: 39,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.29 : 114,213.54 = 26,210.78 : x
  2. Step 2: Convert to fraction form
    76,137.29/114,213.54 = 26,210.78/x
  3. Step 3: Cross multiply
    76,137.29x = 114,213.54 × 26,210.78
  4. Step 4: Simplify right side
    76,137.29x = 2,993,625,969.96
  5. Step 5: Solve for x
    x = 2,993,625,969.96/76,137.29
  6. Step 6: Final answer
    x = 39,318.79

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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.