Home / 144,826.56-199,860.90-81,164.36

Finding the Fourth Proportional to 144,826.56, 199,860.90 and 81,164.36

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Solution

The fourth proportional to 144,826.56, 199,860.90 and 81,164.36 is: 112,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,826.56 : 199,860.90 = 81,164.36 : x
  2. Step 2: Convert to fraction form
    144,826.56/199,860.90 = 81,164.36/x
  3. Step 3: Cross multiply
    144,826.56x = 199,860.90 × 81,164.36
  4. Step 4: Simplify right side
    144,826.56x = 16,221,580,733.85
  5. Step 5: Solve for x
    x = 16,221,580,733.85/144,826.56
  6. Step 6: Final answer
    x = 112,006.95

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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.