Home / 144,923.64-199,991.52-81,260.04

Finding the Fourth Proportional to 144,923.64, 199,991.52 and 81,260.04

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Solution

The fourth proportional to 144,923.64, 199,991.52 and 81,260.04 is: 112,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,923.64 : 199,991.52 = 81,260.04 : x
  2. Step 2: Convert to fraction form
    144,923.64/199,991.52 = 81,260.04/x
  3. Step 3: Cross multiply
    144,923.64x = 199,991.52 × 81,260.04
  4. Step 4: Simplify right side
    144,923.64x = 16,251,318,914.86
  5. Step 5: Solve for x
    x = 16,251,318,914.86/144,923.64
  6. Step 6: Final answer
    x = 112,137.12

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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.