Home / 144,470.55-199,369.58-80,808.36

Finding the Fourth Proportional to 144,470.55, 199,369.58 and 80,808.36

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Solution

The fourth proportional to 144,470.55, 199,369.58 and 80,808.36 is: 111,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,470.55 : 199,369.58 = 80,808.36 : x
  2. Step 2: Convert to fraction form
    144,470.55/199,369.58 = 80,808.36/x
  3. Step 3: Cross multiply
    144,470.55x = 199,369.58 × 80,808.36
  4. Step 4: Simplify right side
    144,470.55x = 16,110,728,793.69
  5. Step 5: Solve for x
    x = 16,110,728,793.69/144,470.55
  6. Step 6: Final answer
    x = 111,515.66

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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.