Home / 140,662.60-211,095.58-55,286.20

Finding the Fourth Proportional to 140,662.60, 211,095.58 and 55,286.20

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Solution

The fourth proportional to 140,662.60, 211,095.58 and 55,286.20 is: 82,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,662.60 : 211,095.58 = 55,286.20 : x
  2. Step 2: Convert to fraction form
    140,662.60/211,095.58 = 55,286.20/x
  3. Step 3: Cross multiply
    140,662.60x = 211,095.58 × 55,286.20
  4. Step 4: Simplify right side
    140,662.60x = 11,670,672,455.00
  5. Step 5: Solve for x
    x = 11,670,672,455.00/140,662.60
  6. Step 6: Final answer
    x = 82,969.26

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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.