Home / 217,021.90-325,532.85-133,041.10

Finding the Fourth Proportional to 217,021.90, 325,532.85 and 133,041.10

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Solution

The fourth proportional to 217,021.90, 325,532.85 and 133,041.10 is: 199,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,021.90 : 325,532.85 = 133,041.10 : x
  2. Step 2: Convert to fraction form
    217,021.90/325,532.85 = 133,041.10/x
  3. Step 3: Cross multiply
    217,021.90x = 325,532.85 × 133,041.10
  4. Step 4: Simplify right side
    217,021.90x = 43,309,248,450.14
  5. Step 5: Solve for x
    x = 43,309,248,450.14/217,021.90
  6. Step 6: Final answer
    x = 199,561.65

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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.