Home / 144,016.44-198,753.84-79,498.32

Finding the Fourth Proportional to 144,016.44, 198,753.84 and 79,498.32

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Solution

The fourth proportional to 144,016.44, 198,753.84 and 79,498.32 is: 109,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,016.44 : 198,753.84 = 79,498.32 : x
  2. Step 2: Convert to fraction form
    144,016.44/198,753.84 = 79,498.32/x
  3. Step 3: Cross multiply
    144,016.44x = 198,753.84 × 79,498.32
  4. Step 4: Simplify right side
    144,016.44x = 15,800,596,373.55
  5. Step 5: Solve for x
    x = 15,800,596,373.55/144,016.44
  6. Step 6: Final answer
    x = 109,713.84

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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.