Home / 144,041.85-198,757.89-80,367.30

Finding the Fourth Proportional to 144,041.85, 198,757.89 and 80,367.30

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Solution

The fourth proportional to 144,041.85, 198,757.89 and 80,367.30 is: 110,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,041.85 : 198,757.89 = 80,367.30 : x
  2. Step 2: Convert to fraction form
    144,041.85/198,757.89 = 80,367.30/x
  3. Step 3: Cross multiply
    144,041.85x = 198,757.89 × 80,367.30
  4. Step 4: Simplify right side
    144,041.85x = 15,973,634,973.00
  5. Step 5: Solve for x
    x = 15,973,634,973.00/144,041.85
  6. Step 6: Final answer
    x = 110,895.79

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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.