Home / 211,890.87-292,596.84-144,159.48

Finding the Fourth Proportional to 211,890.87, 292,596.84 and 144,159.48

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Solution

The fourth proportional to 211,890.87, 292,596.84 and 144,159.48 is: 199,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,890.87 : 292,596.84 = 144,159.48 : x
  2. Step 2: Convert to fraction form
    211,890.87/292,596.84 = 144,159.48/x
  3. Step 3: Cross multiply
    211,890.87x = 292,596.84 × 144,159.48
  4. Step 4: Simplify right side
    211,890.87x = 42,180,608,304.04
  5. Step 5: Solve for x
    x = 42,180,608,304.04/211,890.87
  6. Step 6: Final answer
    x = 199,067.61

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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.