Home / 106,994.12-147,634.50-61,673.96

Finding the Fourth Proportional to 106,994.12, 147,634.50 and 61,673.96

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Solution

The fourth proportional to 106,994.12, 147,634.50 and 61,673.96 is: 85,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,994.12 : 147,634.50 = 61,673.96 : x
  2. Step 2: Convert to fraction form
    106,994.12/147,634.50 = 61,673.96/x
  3. Step 3: Cross multiply
    106,994.12x = 147,634.50 × 61,673.96
  4. Step 4: Simplify right side
    106,994.12x = 9,105,204,247.62
  5. Step 5: Solve for x
    x = 9,105,204,247.62/106,994.12
  6. Step 6: Final answer
    x = 85,100.04

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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.