Home / 140,336.58-210,557.26-84,216.94

Finding the Fourth Proportional to 140,336.58, 210,557.26 and 84,216.94

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Solution

The fourth proportional to 140,336.58, 210,557.26 and 84,216.94 is: 126,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,336.58 : 210,557.26 = 84,216.94 : x
  2. Step 2: Convert to fraction form
    140,336.58/210,557.26 = 84,216.94/x
  3. Step 3: Cross multiply
    140,336.58x = 210,557.26 × 84,216.94
  4. Step 4: Simplify right side
    140,336.58x = 17,732,488,131.98
  5. Step 5: Solve for x
    x = 17,732,488,131.98/140,336.58
  6. Step 6: Final answer
    x = 126,356.85

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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.