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Finding the Fourth Proportional to 146,998.80, 220,271.40 and 109,382.40

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Solution

The fourth proportional to 146,998.80, 220,271.40 and 109,382.40 is: 163,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,998.80 : 220,271.40 = 109,382.40 : x
  2. Step 2: Convert to fraction form
    146,998.80/220,271.40 = 109,382.40/x
  3. Step 3: Cross multiply
    146,998.80x = 220,271.40 × 109,382.40
  4. Step 4: Simplify right side
    146,998.80x = 24,093,814,383.36
  5. Step 5: Solve for x
    x = 24,093,814,383.36/146,998.80
  6. Step 6: Final answer
    x = 163,904.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.