Home / 209,349.29-313,773.77-76,073.51

Finding the Fourth Proportional to 209,349.29, 313,773.77 and 76,073.51

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Solution

The fourth proportional to 209,349.29, 313,773.77 and 76,073.51 is: 114,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,349.29 : 313,773.77 = 76,073.51 : x
  2. Step 2: Convert to fraction form
    209,349.29/313,773.77 = 76,073.51/x
  3. Step 3: Cross multiply
    209,349.29x = 313,773.77 × 76,073.51
  4. Step 4: Simplify right side
    209,349.29x = 23,869,873,004.45
  5. Step 5: Solve for x
    x = 23,869,873,004.45/209,349.29
  6. Step 6: Final answer
    x = 114,019.36

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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.