Home / 209,293.74-314,024.45-76,183.20

Finding the Fourth Proportional to 209,293.74, 314,024.45 and 76,183.20

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Solution

The fourth proportional to 209,293.74, 314,024.45 and 76,183.20 is: 114,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,293.74 : 314,024.45 = 76,183.20 : x
  2. Step 2: Convert to fraction form
    209,293.74/314,024.45 = 76,183.20/x
  3. Step 3: Cross multiply
    209,293.74x = 314,024.45 × 76,183.20
  4. Step 4: Simplify right side
    209,293.74x = 23,923,387,098.32
  5. Step 5: Solve for x
    x = 23,923,387,098.32/209,293.74
  6. Step 6: Final answer
    x = 114,305.32

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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.