Home / 208,759.14-288,089.46-113,267.73

Finding the Fourth Proportional to 208,759.14, 288,089.46 and 113,267.73

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Solution

The fourth proportional to 208,759.14, 288,089.46 and 113,267.73 is: 156,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,759.14 : 288,089.46 = 113,267.73 : x
  2. Step 2: Convert to fraction form
    208,759.14/288,089.46 = 113,267.73/x
  3. Step 3: Cross multiply
    208,759.14x = 288,089.46 × 113,267.73
  4. Step 4: Simplify right side
    208,759.14x = 32,631,239,171.13
  5. Step 5: Solve for x
    x = 32,631,239,171.13/208,759.14
  6. Step 6: Final answer
    x = 156,310.47

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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.