Home / 109,365.12-164,065.37-46,194.75

Finding the Fourth Proportional to 109,365.12, 164,065.37 and 46,194.75

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Solution

The fourth proportional to 109,365.12, 164,065.37 and 46,194.75 is: 69,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,365.12 : 164,065.37 = 46,194.75 : x
  2. Step 2: Convert to fraction form
    109,365.12/164,065.37 = 46,194.75/x
  3. Step 3: Cross multiply
    109,365.12x = 164,065.37 × 46,194.75
  4. Step 4: Simplify right side
    109,365.12x = 7,578,958,519.83
  5. Step 5: Solve for x
    x = 7,578,958,519.83/109,365.12
  6. Step 6: Final answer
    x = 69,299.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.