Home / 140,684.20-211,030.06-45,920.14

Finding the Fourth Proportional to 140,684.20, 211,030.06 and 45,920.14

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Solution

The fourth proportional to 140,684.20, 211,030.06 and 45,920.14 is: 68,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,684.20 : 211,030.06 = 45,920.14 : x
  2. Step 2: Convert to fraction form
    140,684.20/211,030.06 = 45,920.14/x
  3. Step 3: Cross multiply
    140,684.20x = 211,030.06 × 45,920.14
  4. Step 4: Simplify right side
    140,684.20x = 9,690,530,014.21
  5. Step 5: Solve for x
    x = 9,690,530,014.21/140,684.20
  6. Step 6: Final answer
    x = 68,881.44

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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.