Home / 140,785.96-211,192.30-39,583.80

Finding the Fourth Proportional to 140,785.96, 211,192.30 and 39,583.80

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Solution

The fourth proportional to 140,785.96, 211,192.30 and 39,583.80 is: 59,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785.96 : 211,192.30 = 39,583.80 : x
  2. Step 2: Convert to fraction form
    140,785.96/211,192.30 = 39,583.80/x
  3. Step 3: Cross multiply
    140,785.96x = 211,192.30 × 39,583.80
  4. Step 4: Simplify right side
    140,785.96x = 8,359,793,764.74
  5. Step 5: Solve for x
    x = 8,359,793,764.74/140,785.96
  6. Step 6: Final answer
    x = 59,379.46

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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.