Home / 140,716.23-211,080.50-45,945.68

Finding the Fourth Proportional to 140,716.23, 211,080.50 and 45,945.68

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Solution

The fourth proportional to 140,716.23, 211,080.50 and 45,945.68 is: 68,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,716.23 : 211,080.50 = 45,945.68 : x
  2. Step 2: Convert to fraction form
    140,716.23/211,080.50 = 45,945.68/x
  3. Step 3: Cross multiply
    140,716.23x = 211,080.50 × 45,945.68
  4. Step 4: Simplify right side
    140,716.23x = 9,698,235,822.11
  5. Step 5: Solve for x
    x = 9,698,235,822.11/140,716.23
  6. Step 6: Final answer
    x = 68,920.52

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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.