Home / 144,511.03-199,418.36-79,098.42

Finding the Fourth Proportional to 144,511.03, 199,418.36 and 79,098.42

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Solution

The fourth proportional to 144,511.03, 199,418.36 and 79,098.42 is: 109,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,511.03 : 199,418.36 = 79,098.42 : x
  2. Step 2: Convert to fraction form
    144,511.03/199,418.36 = 79,098.42/x
  3. Step 3: Cross multiply
    144,511.03x = 199,418.36 × 79,098.42
  4. Step 4: Simplify right side
    144,511.03x = 15,773,676,285.37
  5. Step 5: Solve for x
    x = 15,773,676,285.37/144,511.03
  6. Step 6: Final answer
    x = 109,152.06

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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.