Home / 208,976.52-288,393.32-122,941.56

Finding the Fourth Proportional to 208,976.52, 288,393.32 and 122,941.56

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Solution

The fourth proportional to 208,976.52, 288,393.32 and 122,941.56 is: 169,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,976.52 : 288,393.32 = 122,941.56 : x
  2. Step 2: Convert to fraction form
    208,976.52/288,393.32 = 122,941.56/x
  3. Step 3: Cross multiply
    208,976.52x = 288,393.32 × 122,941.56
  4. Step 4: Simplify right side
    208,976.52x = 35,455,524,654.38
  5. Step 5: Solve for x
    x = 35,455,524,654.38/208,976.52
  6. Step 6: Final answer
    x = 169,662.72

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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.