Home / 144,030.60-198,766.08-80,380.80

Finding the Fourth Proportional to 144,030.60, 198,766.08 and 80,380.80

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Solution

The fourth proportional to 144,030.60, 198,766.08 and 80,380.80 is: 110,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,030.60 : 198,766.08 = 80,380.80 : x
  2. Step 2: Convert to fraction form
    144,030.60/198,766.08 = 80,380.80/x
  3. Step 3: Cross multiply
    144,030.60x = 198,766.08 × 80,380.80
  4. Step 4: Simplify right side
    144,030.60x = 15,976,976,523.26
  5. Step 5: Solve for x
    x = 15,976,976,523.26/144,030.60
  6. Step 6: Final answer
    x = 110,927.65

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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.