Home / 144,051.40-198,771.02-80,376.84

Finding the Fourth Proportional to 144,051.40, 198,771.02 and 80,376.84

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Solution

The fourth proportional to 144,051.40, 198,771.02 and 80,376.84 is: 110,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.40 : 198,771.02 = 80,376.84 : x
  2. Step 2: Convert to fraction form
    144,051.40/198,771.02 = 80,376.84/x
  3. Step 3: Cross multiply
    144,051.40x = 198,771.02 × 80,376.84
  4. Step 4: Simplify right side
    144,051.40x = 15,976,586,471.18
  5. Step 5: Solve for x
    x = 15,976,586,471.18/144,051.40
  6. Step 6: Final answer
    x = 110,908.93

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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.