Home / 135,096.42-186,427.26-74,663.94

Finding the Fourth Proportional to 135,096.42, 186,427.26 and 74,663.94

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Solution

The fourth proportional to 135,096.42, 186,427.26 and 74,663.94 is: 103,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,096.42 : 186,427.26 = 74,663.94 : x
  2. Step 2: Convert to fraction form
    135,096.42/186,427.26 = 74,663.94/x
  3. Step 3: Cross multiply
    135,096.42x = 186,427.26 × 74,663.94
  4. Step 4: Simplify right side
    135,096.42x = 13,919,393,755.00
  5. Step 5: Solve for x
    x = 13,919,393,755.00/135,096.42
  6. Step 6: Final answer
    x = 103,033.03

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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.