Home / 115,375.94-173,055.71-31,140.90

Finding the Fourth Proportional to 115,375.94, 173,055.71 and 31,140.90

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Solution

The fourth proportional to 115,375.94, 173,055.71 and 31,140.90 is: 46,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,375.94 : 173,055.71 = 31,140.90 : x
  2. Step 2: Convert to fraction form
    115,375.94/173,055.71 = 31,140.90/x
  3. Step 3: Cross multiply
    115,375.94x = 173,055.71 × 31,140.90
  4. Step 4: Simplify right side
    115,375.94x = 5,389,109,694.26
  5. Step 5: Solve for x
    x = 5,389,109,694.26/115,375.94
  6. Step 6: Final answer
    x = 46,709.13

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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.