Home / 209,267.76-288,791.56-113,776.52

Finding the Fourth Proportional to 209,267.76, 288,791.56 and 113,776.52

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Solution

The fourth proportional to 209,267.76, 288,791.56 and 113,776.52 is: 157,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,267.76 : 288,791.56 = 113,776.52 : x
  2. Step 2: Convert to fraction form
    209,267.76/288,791.56 = 113,776.52/x
  3. Step 3: Cross multiply
    209,267.76x = 288,791.56 × 113,776.52
  4. Step 4: Simplify right side
    209,267.76x = 32,857,698,702.17
  5. Step 5: Solve for x
    x = 32,857,698,702.17/209,267.76
  6. Step 6: Final answer
    x = 157,012.71

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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.