Home / 208,977.24-313,465.90-84,230.76

Finding the Fourth Proportional to 208,977.24, 313,465.90 and 84,230.76

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Solution

The fourth proportional to 208,977.24, 313,465.90 and 84,230.76 is: 126,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,977.24 : 313,465.90 = 84,230.76 : x
  2. Step 2: Convert to fraction form
    208,977.24/313,465.90 = 84,230.76/x
  3. Step 3: Cross multiply
    208,977.24x = 313,465.90 × 84,230.76
  4. Step 4: Simplify right side
    208,977.24x = 26,403,470,991.08
  5. Step 5: Solve for x
    x = 26,403,470,991.08/208,977.24
  6. Step 6: Final answer
    x = 126,346.16

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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.