Home / 115,619.94-173,427.21-53,290.44

Finding the Fourth Proportional to 115,619.94, 173,427.21 and 53,290.44

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Solution

The fourth proportional to 115,619.94, 173,427.21 and 53,290.44 is: 79,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,619.94 : 173,427.21 = 53,290.44 : x
  2. Step 2: Convert to fraction form
    115,619.94/173,427.21 = 53,290.44/x
  3. Step 3: Cross multiply
    115,619.94x = 173,427.21 × 53,290.44
  4. Step 4: Simplify right side
    115,619.94x = 9,242,012,328.87
  5. Step 5: Solve for x
    x = 9,242,012,328.87/115,619.94
  6. Step 6: Final answer
    x = 79,934.42

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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.