Home / 211,846.07-317,764.98-85,482.96

Finding the Fourth Proportional to 211,846.07, 317,764.98 and 85,482.96

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Solution

The fourth proportional to 211,846.07, 317,764.98 and 85,482.96 is: 128,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,846.07 : 317,764.98 = 85,482.96 : x
  2. Step 2: Convert to fraction form
    211,846.07/317,764.98 = 85,482.96/x
  3. Step 3: Cross multiply
    211,846.07x = 317,764.98 × 85,482.96
  4. Step 4: Simplify right side
    211,846.07x = 27,163,491,074.74
  5. Step 5: Solve for x
    x = 27,163,491,074.74/211,846.07
  6. Step 6: Final answer
    x = 128,222.78

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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.