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Finding the Fourth Proportional to 144,993.54, 200,090.79 and 80,472.68

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Solution

The fourth proportional to 144,993.54, 200,090.79 and 80,472.68 is: 111,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,993.54 : 200,090.79 = 80,472.68 : x
  2. Step 2: Convert to fraction form
    144,993.54/200,090.79 = 80,472.68/x
  3. Step 3: Cross multiply
    144,993.54x = 200,090.79 × 80,472.68
  4. Step 4: Simplify right side
    144,993.54x = 16,101,841,114.16
  5. Step 5: Solve for x
    x = 16,101,841,114.16/144,993.54
  6. Step 6: Final answer
    x = 111,052.13

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1.5x scale

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.