Home / 217,005.90-325,508.85-133,025.10

Finding the Fourth Proportional to 217,005.90, 325,508.85 and 133,025.10

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Solution

The fourth proportional to 217,005.90, 325,508.85 and 133,025.10 is: 199,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,005.90 : 325,508.85 = 133,025.10 : x
  2. Step 2: Convert to fraction form
    217,005.90/325,508.85 = 133,025.10/x
  3. Step 3: Cross multiply
    217,005.90x = 325,508.85 × 133,025.10
  4. Step 4: Simplify right side
    217,005.90x = 43,300,847,322.14
  5. Step 5: Solve for x
    x = 43,300,847,322.14/217,005.90
  6. Step 6: Final answer
    x = 199,537.65

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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.