Home / 68,158.24-102,186.24-45,909.16

Finding the Fourth Proportional to 68,158.24, 102,186.24 and 45,909.16

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Solution

The fourth proportional to 68,158.24, 102,186.24 and 45,909.16 is: 68,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,158.24 : 102,186.24 = 45,909.16 : x
  2. Step 2: Convert to fraction form
    68,158.24/102,186.24 = 45,909.16/x
  3. Step 3: Cross multiply
    68,158.24x = 102,186.24 × 45,909.16
  4. Step 4: Simplify right side
    68,158.24x = 4,691,284,441.96
  5. Step 5: Solve for x
    x = 4,691,284,441.96/68,158.24
  6. Step 6: Final answer
    x = 68,829.31

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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.