Home / 131,968.96-182,126.82-75,379.12

Finding the Fourth Proportional to 131,968.96, 182,126.82 and 75,379.12

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Solution

The fourth proportional to 131,968.96, 182,126.82 and 75,379.12 is: 104,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968.96 : 182,126.82 = 75,379.12 : x
  2. Step 2: Convert to fraction form
    131,968.96/182,126.82 = 75,379.12/x
  3. Step 3: Cross multiply
    131,968.96x = 182,126.82 × 75,379.12
  4. Step 4: Simplify right side
    131,968.96x = 13,728,559,420.00
  5. Step 5: Solve for x
    x = 13,728,559,420.00/131,968.96
  6. Step 6: Final answer
    x = 104,028.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.