Home / 208,845.12-288,206.55-113,351.83

Finding the Fourth Proportional to 208,845.12, 288,206.55 and 113,351.83

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Solution

The fourth proportional to 208,845.12, 288,206.55 and 113,351.83 is: 156,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.12 : 288,206.55 = 113,351.83 : x
  2. Step 2: Convert to fraction form
    208,845.12/288,206.55 = 113,351.83/x
  3. Step 3: Cross multiply
    208,845.12x = 288,206.55 × 113,351.83
  4. Step 4: Simplify right side
    208,845.12x = 32,668,739,139.97
  5. Step 5: Solve for x
    x = 32,668,739,139.97/208,845.12
  6. Step 6: Final answer
    x = 156,425.68

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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.