Home / 144,148.86-198,918.20-80,474.36

Finding the Fourth Proportional to 144,148.86, 198,918.20 and 80,474.36

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Solution

The fourth proportional to 144,148.86, 198,918.20 and 80,474.36 is: 111,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,148.86 : 198,918.20 = 80,474.36 : x
  2. Step 2: Convert to fraction form
    144,148.86/198,918.20 = 80,474.36/x
  3. Step 3: Cross multiply
    144,148.86x = 198,918.20 × 80,474.36
  4. Step 4: Simplify right side
    144,148.86x = 16,007,813,842.76
  5. Step 5: Solve for x
    x = 16,007,813,842.76/144,148.86
  6. Step 6: Final answer
    x = 111,050.58

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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.