Home / 144,581.07-199,521.86-80,918.87

Finding the Fourth Proportional to 144,581.07, 199,521.86 and 80,918.87

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Solution

The fourth proportional to 144,581.07, 199,521.86 and 80,918.87 is: 111,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.07 : 199,521.86 = 80,918.87 : x
  2. Step 2: Convert to fraction form
    144,581.07/199,521.86 = 80,918.87/x
  3. Step 3: Cross multiply
    144,581.07x = 199,521.86 × 80,918.87
  4. Step 4: Simplify right side
    144,581.07x = 16,145,082,049.29
  5. Step 5: Solve for x
    x = 16,145,082,049.29/144,581.07
  6. Step 6: Final answer
    x = 111,668.02

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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.