Home / 209,475.34-289,079.43-113,982.52

Finding the Fourth Proportional to 209,475.34, 289,079.43 and 113,982.52

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Solution

The fourth proportional to 209,475.34, 289,079.43 and 113,982.52 is: 157,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,475.34 : 289,079.43 = 113,982.52 : x
  2. Step 2: Convert to fraction form
    209,475.34/289,079.43 = 113,982.52/x
  3. Step 3: Cross multiply
    209,475.34x = 289,079.43 × 113,982.52
  4. Step 4: Simplify right side
    209,475.34x = 32,950,001,911.56
  5. Step 5: Solve for x
    x = 32,950,001,911.56/209,475.34
  6. Step 6: Final answer
    x = 157,297.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.