Home / 209,066.36-313,581.04-75,947.76

Finding the Fourth Proportional to 209,066.36, 313,581.04 and 75,947.76

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Solution

The fourth proportional to 209,066.36, 313,581.04 and 75,947.76 is: 113,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,066.36 : 313,581.04 = 75,947.76 : x
  2. Step 2: Convert to fraction form
    209,066.36/313,581.04 = 75,947.76/x
  3. Step 3: Cross multiply
    209,066.36x = 313,581.04 × 75,947.76
  4. Step 4: Simplify right side
    209,066.36x = 23,815,777,566.47
  5. Step 5: Solve for x
    x = 23,815,777,566.47/209,066.36
  6. Step 6: Final answer
    x = 113,914.92

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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.