Home / 209,151.24-313,588.17-76,015.68

Finding the Fourth Proportional to 209,151.24, 313,588.17 and 76,015.68

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Solution

The fourth proportional to 209,151.24, 313,588.17 and 76,015.68 is: 113,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,151.24 : 313,588.17 = 76,015.68 : x
  2. Step 2: Convert to fraction form
    209,151.24/313,588.17 = 76,015.68/x
  3. Step 3: Cross multiply
    209,151.24x = 313,588.17 × 76,015.68
  4. Step 4: Simplify right side
    209,151.24x = 23,837,617,982.51
  5. Step 5: Solve for x
    x = 23,837,617,982.51/209,151.24
  6. Step 6: Final answer
    x = 113,973.11

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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.