Home / 147,991.20-204,188.48-84,327.64

Finding the Fourth Proportional to 147,991.20, 204,188.48 and 84,327.64

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Solution

The fourth proportional to 147,991.20, 204,188.48 and 84,327.64 is: 116,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,991.20 : 204,188.48 = 84,327.64 : x
  2. Step 2: Convert to fraction form
    147,991.20/204,188.48 = 84,327.64/x
  3. Step 3: Cross multiply
    147,991.20x = 204,188.48 × 84,327.64
  4. Step 4: Simplify right side
    147,991.20x = 17,218,732,633.59
  5. Step 5: Solve for x
    x = 17,218,732,633.59/147,991.20
  6. Step 6: Final answer
    x = 116,349.71

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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.