Home / 211,852.67-317,778.90-54,081.07

Finding the Fourth Proportional to 211,852.67, 317,778.90 and 54,081.07

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Solution

The fourth proportional to 211,852.67, 317,778.90 and 54,081.07 is: 81,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,852.67 : 317,778.90 = 54,081.07 : x
  2. Step 2: Convert to fraction form
    211,852.67/317,778.90 = 54,081.07/x
  3. Step 3: Cross multiply
    211,852.67x = 317,778.90 × 54,081.07
  4. Step 4: Simplify right side
    211,852.67x = 17,185,822,935.42
  5. Step 5: Solve for x
    x = 17,185,822,935.42/211,852.67
  6. Step 6: Final answer
    x = 81,121.58

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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.