Home / 208,849.08-288,211.96-113,355.84

Finding the Fourth Proportional to 208,849.08, 288,211.96 and 113,355.84

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Solution

The fourth proportional to 208,849.08, 288,211.96 and 113,355.84 is: 156,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.08 : 288,211.96 = 113,355.84 : x
  2. Step 2: Convert to fraction form
    208,849.08/288,211.96 = 113,355.84/x
  3. Step 3: Cross multiply
    208,849.08x = 288,211.96 × 113,355.84
  4. Step 4: Simplify right side
    208,849.08x = 32,670,508,823.85
  5. Step 5: Solve for x
    x = 32,670,508,823.85/208,849.08
  6. Step 6: Final answer
    x = 156,431.18

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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.