Home / 211,734.20-317,342.10-93,279.80

Finding the Fourth Proportional to 211,734.20, 317,342.10 and 93,279.80

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Solution

The fourth proportional to 211,734.20, 317,342.10 and 93,279.80 is: 139,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,734.20 : 317,342.10 = 93,279.80 : x
  2. Step 2: Convert to fraction form
    211,734.20/317,342.10 = 93,279.80/x
  3. Step 3: Cross multiply
    211,734.20x = 317,342.10 × 93,279.80
  4. Step 4: Simplify right side
    211,734.20x = 29,601,607,619.58
  5. Step 5: Solve for x
    x = 29,601,607,619.58/211,734.20
  6. Step 6: Final answer
    x = 139,805.51

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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.