Home / 115,701.75-173,486.21-45,542.79

Finding the Fourth Proportional to 115,701.75, 173,486.21 and 45,542.79

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Solution

The fourth proportional to 115,701.75, 173,486.21 and 45,542.79 is: 68,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,701.75 : 173,486.21 = 45,542.79 : x
  2. Step 2: Convert to fraction form
    115,701.75/173,486.21 = 45,542.79/x
  3. Step 3: Cross multiply
    115,701.75x = 173,486.21 × 45,542.79
  4. Step 4: Simplify right side
    115,701.75x = 7,901,045,802.21
  5. Step 5: Solve for x
    x = 7,901,045,802.21/115,701.75
  6. Step 6: Final answer
    x = 68,288.04

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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.