Home / 199,132.08-274,617.64-145,331.88

Finding the Fourth Proportional to 199,132.08, 274,617.64 and 145,331.88

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Solution

The fourth proportional to 199,132.08, 274,617.64 and 145,331.88 is: 200,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,132.08 : 274,617.64 = 145,331.88 : x
  2. Step 2: Convert to fraction form
    199,132.08/274,617.64 = 145,331.88/x
  3. Step 3: Cross multiply
    199,132.08x = 274,617.64 × 145,331.88
  4. Step 4: Simplify right side
    199,132.08x = 39,910,697,902.36
  5. Step 5: Solve for x
    x = 39,910,697,902.36/199,132.08
  6. Step 6: Final answer
    x = 200,423.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.