Home / 144,187.04-198,976.02-80,525.72

Finding the Fourth Proportional to 144,187.04, 198,976.02 and 80,525.72

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Solution

The fourth proportional to 144,187.04, 198,976.02 and 80,525.72 is: 111,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,187.04 : 198,976.02 = 80,525.72 : x
  2. Step 2: Convert to fraction form
    144,187.04/198,976.02 = 80,525.72/x
  3. Step 3: Cross multiply
    144,187.04x = 198,976.02 × 80,525.72
  4. Step 4: Simplify right side
    144,187.04x = 16,022,687,273.23
  5. Step 5: Solve for x
    x = 16,022,687,273.23/144,187.04
  6. Step 6: Final answer
    x = 111,124.32

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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.