Home / 106,979.85-147,634.26-64,003.59

Finding the Fourth Proportional to 106,979.85, 147,634.26 and 64,003.59

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Solution

The fourth proportional to 106,979.85, 147,634.26 and 64,003.59 is: 88,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,979.85 : 147,634.26 = 64,003.59 : x
  2. Step 2: Convert to fraction form
    106,979.85/147,634.26 = 64,003.59/x
  3. Step 3: Cross multiply
    106,979.85x = 147,634.26 × 64,003.59
  4. Step 4: Simplify right side
    106,979.85x = 9,449,122,646.99
  5. Step 5: Solve for x
    x = 9,449,122,646.99/106,979.85
  6. Step 6: Final answer
    x = 88,326.19

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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.