Home / 208,914.11-288,301.96-113,418.75

Finding the Fourth Proportional to 208,914.11, 288,301.96 and 113,418.75

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Solution

The fourth proportional to 208,914.11, 288,301.96 and 113,418.75 is: 156,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,914.11 : 288,301.96 = 113,418.75 : x
  2. Step 2: Convert to fraction form
    208,914.11/288,301.96 = 113,418.75/x
  3. Step 3: Cross multiply
    208,914.11x = 288,301.96 × 113,418.75
  4. Step 4: Simplify right side
    208,914.11x = 32,698,849,148.66
  5. Step 5: Solve for x
    x = 32,698,849,148.66/208,914.11
  6. Step 6: Final answer
    x = 156,518.15

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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.