Home / 144,298.14-199,131.08-80,635.92

Finding the Fourth Proportional to 144,298.14, 199,131.08 and 80,635.92

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Solution

The fourth proportional to 144,298.14, 199,131.08 and 80,635.92 is: 111,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,298.14 : 199,131.08 = 80,635.92 : x
  2. Step 2: Convert to fraction form
    144,298.14/199,131.08 = 80,635.92/x
  3. Step 3: Cross multiply
    144,298.14x = 199,131.08 × 80,635.92
  4. Step 4: Simplify right side
    144,298.14x = 16,057,117,433.21
  5. Step 5: Solve for x
    x = 16,057,117,433.21/144,298.14
  6. Step 6: Final answer
    x = 111,277.37

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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.