Home / 209,491.80-289,098.75-113,996.44

Finding the Fourth Proportional to 209,491.80, 289,098.75 and 113,996.44

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Solution

The fourth proportional to 209,491.80, 289,098.75 and 113,996.44 is: 157,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,491.80 : 289,098.75 = 113,996.44 : x
  2. Step 2: Convert to fraction form
    209,491.80/289,098.75 = 113,996.44/x
  3. Step 3: Cross multiply
    209,491.80x = 289,098.75 × 113,996.44
  4. Step 4: Simplify right side
    209,491.80x = 32,956,228,308.45
  5. Step 5: Solve for x
    x = 32,956,228,308.45/209,491.80
  6. Step 6: Final answer
    x = 157,315.12

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1.5x scale

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.