Home / 68,131.16-102,196.76-30,684.24

Finding the Fourth Proportional to 68,131.16, 102,196.76 and 30,684.24

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Solution

The fourth proportional to 68,131.16, 102,196.76 and 30,684.24 is: 46,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.16 : 102,196.76 = 30,684.24 : x
  2. Step 2: Convert to fraction form
    68,131.16/102,196.76 = 30,684.24/x
  3. Step 3: Cross multiply
    68,131.16x = 102,196.76 × 30,684.24
  4. Step 4: Simplify right side
    68,131.16x = 3,135,829,911.06
  5. Step 5: Solve for x
    x = 3,135,829,911.06/68,131.16
  6. Step 6: Final answer
    x = 46,026.37

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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.