Home / 144,045.52-198,782.98-80,383.30

Finding the Fourth Proportional to 144,045.52, 198,782.98 and 80,383.30

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Solution

The fourth proportional to 144,045.52, 198,782.98 and 80,383.30 is: 110,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,045.52 : 198,782.98 = 80,383.30 : x
  2. Step 2: Convert to fraction form
    144,045.52/198,782.98 = 80,383.30/x
  3. Step 3: Cross multiply
    144,045.52x = 198,782.98 × 80,383.30
  4. Step 4: Simplify right side
    144,045.52x = 15,978,831,218.32
  5. Step 5: Solve for x
    x = 15,978,831,218.32/144,045.52
  6. Step 6: Final answer
    x = 110,929.04

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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.