Home / 211,635.37-317,452.18-76,667.84

Finding the Fourth Proportional to 211,635.37, 317,452.18 and 76,667.84

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Solution

The fourth proportional to 211,635.37, 317,452.18 and 76,667.84 is: 115,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,635.37 : 317,452.18 = 76,667.84 : x
  2. Step 2: Convert to fraction form
    211,635.37/317,452.18 = 76,667.84/x
  3. Step 3: Cross multiply
    211,635.37x = 317,452.18 × 76,667.84
  4. Step 4: Simplify right side
    211,635.37x = 24,338,372,943.89
  5. Step 5: Solve for x
    x = 24,338,372,943.89/211,635.37
  6. Step 6: Final answer
    x = 115,001.44

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1.5x scale

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.