Home / 144,200.04-198,993.98-80,538.76

Finding the Fourth Proportional to 144,200.04, 198,993.98 and 80,538.76

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Solution

The fourth proportional to 144,200.04, 198,993.98 and 80,538.76 is: 111,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,200.04 : 198,993.98 = 80,538.76 : x
  2. Step 2: Convert to fraction form
    144,200.04/198,993.98 = 80,538.76/x
  3. Step 3: Cross multiply
    144,200.04x = 198,993.98 × 80,538.76
  4. Step 4: Simplify right side
    144,200.04x = 16,026,728,396.66
  5. Step 5: Solve for x
    x = 16,026,728,396.66/144,200.04
  6. Step 6: Final answer
    x = 111,142.33

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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.