Home / 214,065.28-320,992-125,341.12

Finding the Fourth Proportional to 214,065.28, 320,992 and 125,341.12

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Solution

The fourth proportional to 214,065.28, 320,992 and 125,341.12 is: 187,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,065.28 : 320,992 = 125,341.12 : x
  2. Step 2: Convert to fraction form
    214,065.28/320,992 = 125,341.12/x
  3. Step 3: Cross multiply
    214,065.28x = 320,992 × 125,341.12
  4. Step 4: Simplify right side
    214,065.28x = 40,233,496,791.04
  5. Step 5: Solve for x
    x = 40,233,496,791.04/214,065.28
  6. Step 6: Final answer
    x = 187,949.66

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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.