Home / 211,437.23-317,076.79-85,034.75

Finding the Fourth Proportional to 211,437.23, 317,076.79 and 85,034.75

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Solution

The fourth proportional to 211,437.23, 317,076.79 and 85,034.75 is: 127,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,437.23 : 317,076.79 = 85,034.75 : x
  2. Step 2: Convert to fraction form
    211,437.23/317,076.79 = 85,034.75/x
  3. Step 3: Cross multiply
    211,437.23x = 317,076.79 × 85,034.75
  4. Step 4: Simplify right side
    211,437.23x = 26,962,546,148.56
  5. Step 5: Solve for x
    x = 26,962,546,148.56/211,437.23
  6. Step 6: Final answer
    x = 127,520.34

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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.