Home / 144,609.34-199,558.80-80,072.38

Finding the Fourth Proportional to 144,609.34, 199,558.80 and 80,072.38

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Solution

The fourth proportional to 144,609.34, 199,558.80 and 80,072.38 is: 110,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,609.34 : 199,558.80 = 80,072.38 : x
  2. Step 2: Convert to fraction form
    144,609.34/199,558.80 = 80,072.38/x
  3. Step 3: Cross multiply
    144,609.34x = 199,558.80 × 80,072.38
  4. Step 4: Simplify right side
    144,609.34x = 15,979,148,065.94
  5. Step 5: Solve for x
    x = 15,979,148,065.94/144,609.34
  6. Step 6: Final answer
    x = 110,498.73

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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.