Home / 211,605.52-292,015.64-120,963.44

Finding the Fourth Proportional to 211,605.52, 292,015.64 and 120,963.44

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Solution

The fourth proportional to 211,605.52, 292,015.64 and 120,963.44 is: 166,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,605.52 : 292,015.64 = 120,963.44 : x
  2. Step 2: Convert to fraction form
    211,605.52/292,015.64 = 120,963.44/x
  3. Step 3: Cross multiply
    211,605.52x = 292,015.64 × 120,963.44
  4. Step 4: Simplify right side
    211,605.52x = 35,323,216,348.20
  5. Step 5: Solve for x
    x = 35,323,216,348.20/211,605.52
  6. Step 6: Final answer
    x = 166,929.56

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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.