Home / 211,845.29-317,778.87-54,075.11

Finding the Fourth Proportional to 211,845.29, 317,778.87 and 54,075.11

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Solution

The fourth proportional to 211,845.29, 317,778.87 and 54,075.11 is: 81,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,845.29 : 317,778.87 = 54,075.11 : x
  2. Step 2: Convert to fraction form
    211,845.29/317,778.87 = 54,075.11/x
  3. Step 3: Cross multiply
    211,845.29x = 317,778.87 × 54,075.11
  4. Step 4: Simplify right side
    211,845.29x = 17,183,927,350.93
  5. Step 5: Solve for x
    x = 17,183,927,350.93/211,845.29
  6. Step 6: Final answer
    x = 81,115.46

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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.