Home / 217,009.30-325,511.51-76,735.12

Finding the Fourth Proportional to 217,009.30, 325,511.51 and 76,735.12

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Solution

The fourth proportional to 217,009.30, 325,511.51 and 76,735.12 is: 115,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,009.30 : 325,511.51 = 76,735.12 : x
  2. Step 2: Convert to fraction form
    217,009.30/325,511.51 = 76,735.12/x
  3. Step 3: Cross multiply
    217,009.30x = 325,511.51 × 76,735.12
  4. Step 4: Simplify right side
    217,009.30x = 24,978,164,781.23
  5. Step 5: Solve for x
    x = 24,978,164,781.23/217,009.30
  6. Step 6: Final answer
    x = 115,101.82

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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.