Home / 250,202.66-375,327-81,723.87

Finding the Fourth Proportional to 250,202.66, 375,327 and 81,723.87

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Solution

The fourth proportional to 250,202.66, 375,327 and 81,723.87 is: 122,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,202.66 : 375,327 = 81,723.87 : x
  2. Step 2: Convert to fraction form
    250,202.66/375,327 = 81,723.87/x
  3. Step 3: Cross multiply
    250,202.66x = 375,327 × 81,723.87
  4. Step 4: Simplify right side
    250,202.66x = 30,673,174,955.49
  5. Step 5: Solve for x
    x = 30,673,174,955.49/250,202.66
  6. Step 6: Final answer
    x = 122,593.32

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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.