Home / 135,310.10-186,723.33-74,883.29

Finding the Fourth Proportional to 135,310.10, 186,723.33 and 74,883.29

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Solution

The fourth proportional to 135,310.10, 186,723.33 and 74,883.29 is: 103,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,310.10 : 186,723.33 = 74,883.29 : x
  2. Step 2: Convert to fraction form
    135,310.10/186,723.33 = 74,883.29/x
  3. Step 3: Cross multiply
    135,310.10x = 186,723.33 × 74,883.29
  4. Step 4: Simplify right side
    135,310.10x = 13,982,457,270.16
  5. Step 5: Solve for x
    x = 13,982,457,270.16/135,310.10
  6. Step 6: Final answer
    x = 103,336.39

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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.