Home / 263,631.13-363,809.02-142,769.61

Finding the Fourth Proportional to 263,631.13, 363,809.02 and 142,769.61

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Solution

The fourth proportional to 263,631.13, 363,809.02 and 142,769.61 is: 197,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,631.13 : 363,809.02 = 142,769.61 : x
  2. Step 2: Convert to fraction form
    263,631.13/363,809.02 = 142,769.61/x
  3. Step 3: Cross multiply
    263,631.13x = 363,809.02 × 142,769.61
  4. Step 4: Simplify right side
    263,631.13x = 51,940,871,997.72
  5. Step 5: Solve for x
    x = 51,940,871,997.72/263,631.13
  6. Step 6: Final answer
    x = 197,021.01

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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.