Home / 140,678.73-211,051.67-45,909.09

Finding the Fourth Proportional to 140,678.73, 211,051.67 and 45,909.09

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Solution

The fourth proportional to 140,678.73, 211,051.67 and 45,909.09 is: 68,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,678.73 : 211,051.67 = 45,909.09 : x
  2. Step 2: Convert to fraction form
    140,678.73/211,051.67 = 45,909.09/x
  3. Step 3: Cross multiply
    140,678.73x = 211,051.67 × 45,909.09
  4. Step 4: Simplify right side
    140,678.73x = 9,689,190,112.68
  5. Step 5: Solve for x
    x = 9,689,190,112.68/140,678.73
  6. Step 6: Final answer
    x = 68,874.59

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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.