Home / 144,153.08-198,941.04-80,489.48

Finding the Fourth Proportional to 144,153.08, 198,941.04 and 80,489.48

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Solution

The fourth proportional to 144,153.08, 198,941.04 and 80,489.48 is: 111,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,153.08 : 198,941.04 = 80,489.48 : x
  2. Step 2: Convert to fraction form
    144,153.08/198,941.04 = 80,489.48/x
  3. Step 3: Cross multiply
    144,153.08x = 198,941.04 × 80,489.48
  4. Step 4: Simplify right side
    144,153.08x = 16,012,660,860.26
  5. Step 5: Solve for x
    x = 16,012,660,860.26/144,153.08
  6. Step 6: Final answer
    x = 111,080.95

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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.