Home / 134,900.82-186,160.86-74,469.90

Finding the Fourth Proportional to 134,900.82, 186,160.86 and 74,469.90

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Solution

The fourth proportional to 134,900.82, 186,160.86 and 74,469.90 is: 102,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,900.82 : 186,160.86 = 74,469.90 : x
  2. Step 2: Convert to fraction form
    134,900.82/186,160.86 = 74,469.90/x
  3. Step 3: Cross multiply
    134,900.82x = 186,160.86 × 74,469.90
  4. Step 4: Simplify right side
    134,900.82x = 13,863,380,628.11
  5. Step 5: Solve for x
    x = 13,863,380,628.11/134,900.82
  6. Step 6: Final answer
    x = 102,767.21

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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.