Home / 144,742.62-199,741.23-81,079.98

Finding the Fourth Proportional to 144,742.62, 199,741.23 and 81,079.98

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Solution

The fourth proportional to 144,742.62, 199,741.23 and 81,079.98 is: 111,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,742.62 : 199,741.23 = 81,079.98 : x
  2. Step 2: Convert to fraction form
    144,742.62/199,741.23 = 81,079.98/x
  3. Step 3: Cross multiply
    144,742.62x = 199,741.23 × 81,079.98
  4. Step 4: Simplify right side
    144,742.62x = 16,195,014,933.58
  5. Step 5: Solve for x
    x = 16,195,014,933.58/144,742.62
  6. Step 6: Final answer
    x = 111,888.36

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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.