Home / 134,903.43-186,167-74,474.15

Finding the Fourth Proportional to 134,903.43, 186,167 and 74,474.15

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Solution

The fourth proportional to 134,903.43, 186,167 and 74,474.15 is: 102,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.43 : 186,167 = 74,474.15 : x
  2. Step 2: Convert to fraction form
    134,903.43/186,167 = 74,474.15/x
  3. Step 3: Cross multiply
    134,903.43x = 186,167 × 74,474.15
  4. Step 4: Simplify right side
    134,903.43x = 13,864,629,083.05
  5. Step 5: Solve for x
    x = 13,864,629,083.05/134,903.43
  6. Step 6: Final answer
    x = 102,774.47

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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.