Home / 143,948.52-198,649.32-80,290.44

Finding the Fourth Proportional to 143,948.52, 198,649.32 and 80,290.44

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Solution

The fourth proportional to 143,948.52, 198,649.32 and 80,290.44 is: 110,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.52 : 198,649.32 = 80,290.44 : x
  2. Step 2: Convert to fraction form
    143,948.52/198,649.32 = 80,290.44/x
  3. Step 3: Cross multiply
    143,948.52x = 198,649.32 × 80,290.44
  4. Step 4: Simplify right side
    143,948.52x = 15,949,641,308.50
  5. Step 5: Solve for x
    x = 15,949,641,308.50/143,948.52
  6. Step 6: Final answer
    x = 110,801.01

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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.