Home / 144,676.13-199,650.89-80,145.17

Finding the Fourth Proportional to 144,676.13, 199,650.89 and 80,145.17

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Solution

The fourth proportional to 144,676.13, 199,650.89 and 80,145.17 is: 110,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,676.13 : 199,650.89 = 80,145.17 : x
  2. Step 2: Convert to fraction form
    144,676.13/199,650.89 = 80,145.17/x
  3. Step 3: Cross multiply
    144,676.13x = 199,650.89 × 80,145.17
  4. Step 4: Simplify right side
    144,676.13x = 16,001,053,120.72
  5. Step 5: Solve for x
    x = 16,001,053,120.72/144,676.13
  6. Step 6: Final answer
    x = 110,599.12

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1.5x scale

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.