Home / 115,344.65-172,773.77-73,202.51

Finding the Fourth Proportional to 115,344.65, 172,773.77 and 73,202.51

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Solution

The fourth proportional to 115,344.65, 172,773.77 and 73,202.51 is: 109,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,344.65 : 172,773.77 = 73,202.51 : x
  2. Step 2: Convert to fraction form
    115,344.65/172,773.77 = 73,202.51/x
  3. Step 3: Cross multiply
    115,344.65x = 172,773.77 × 73,202.51
  4. Step 4: Simplify right side
    115,344.65x = 12,647,472,396.28
  5. Step 5: Solve for x
    x = 12,647,472,396.28/115,344.65
  6. Step 6: Final answer
    x = 109,649.41

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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.