Home / 140,965.80-211,447.26-47,470.92

Finding the Fourth Proportional to 140,965.80, 211,447.26 and 47,470.92

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Solution

The fourth proportional to 140,965.80, 211,447.26 and 47,470.92 is: 71,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,965.80 : 211,447.26 = 47,470.92 : x
  2. Step 2: Convert to fraction form
    140,965.80/211,447.26 = 47,470.92/x
  3. Step 3: Cross multiply
    140,965.80x = 211,447.26 × 47,470.92
  4. Step 4: Simplify right side
    140,965.80x = 10,037,595,963.68
  5. Step 5: Solve for x
    x = 10,037,595,963.68/140,965.80
  6. Step 6: Final answer
    x = 71,205.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.