Home / 144,727.88-199,723.30-81,066.28

Finding the Fourth Proportional to 144,727.88, 199,723.30 and 81,066.28

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Solution

The fourth proportional to 144,727.88, 199,723.30 and 81,066.28 is: 111,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,727.88 : 199,723.30 = 81,066.28 : x
  2. Step 2: Convert to fraction form
    144,727.88/199,723.30 = 81,066.28/x
  3. Step 3: Cross multiply
    144,727.88x = 199,723.30 × 81,066.28
  4. Step 4: Simplify right side
    144,727.88x = 16,190,824,960.32
  5. Step 5: Solve for x
    x = 16,190,824,960.32/144,727.88
  6. Step 6: Final answer
    x = 111,870.81

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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.