Home / 129,745.06-194,500.47-46,619.62

Finding the Fourth Proportional to 129,745.06, 194,500.47 and 46,619.62

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Solution

The fourth proportional to 129,745.06, 194,500.47 and 46,619.62 is: 69,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,745.06 : 194,500.47 = 46,619.62 : x
  2. Step 2: Convert to fraction form
    129,745.06/194,500.47 = 46,619.62/x
  3. Step 3: Cross multiply
    129,745.06x = 194,500.47 × 46,619.62
  4. Step 4: Simplify right side
    129,745.06x = 9,067,538,001.22
  5. Step 5: Solve for x
    x = 9,067,538,001.22/129,745.06
  6. Step 6: Final answer
    x = 69,887.35

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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.