Home / 144,522.96-199,422.60-80,853.84

Finding the Fourth Proportional to 144,522.96, 199,422.60 and 80,853.84

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Solution

The fourth proportional to 144,522.96, 199,422.60 and 80,853.84 is: 111,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,522.96 : 199,422.60 = 80,853.84 : x
  2. Step 2: Convert to fraction form
    144,522.96/199,422.60 = 80,853.84/x
  3. Step 3: Cross multiply
    144,522.96x = 199,422.60 × 80,853.84
  4. Step 4: Simplify right side
    144,522.96x = 16,124,082,992.78
  5. Step 5: Solve for x
    x = 16,124,082,992.78/144,522.96
  6. Step 6: Final answer
    x = 111,567.62

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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.