Home / 217,171.50-325,677.36-74,980.65

Finding the Fourth Proportional to 217,171.50, 325,677.36 and 74,980.65

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Solution

The fourth proportional to 217,171.50, 325,677.36 and 74,980.65 is: 112,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,171.50 : 325,677.36 = 74,980.65 : x
  2. Step 2: Convert to fraction form
    217,171.50/325,677.36 = 74,980.65/x
  3. Step 3: Cross multiply
    217,171.50x = 325,677.36 × 74,980.65
  4. Step 4: Simplify right side
    217,171.50x = 24,419,500,143.08
  5. Step 5: Solve for x
    x = 24,419,500,143.08/217,171.50
  6. Step 6: Final answer
    x = 112,443.39

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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.