Home / 143,948.52-198,649.26-80,284.68

Finding the Fourth Proportional to 143,948.52, 198,649.26 and 80,284.68

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Solution

The fourth proportional to 143,948.52, 198,649.26 and 80,284.68 is: 110,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.52 : 198,649.26 = 80,284.68 : x
  2. Step 2: Convert to fraction form
    143,948.52/198,649.26 = 80,284.68/x
  3. Step 3: Cross multiply
    143,948.52x = 198,649.26 × 80,284.68
  4. Step 4: Simplify right side
    143,948.52x = 15,948,492,271.34
  5. Step 5: Solve for x
    x = 15,948,492,271.34/143,948.52
  6. Step 6: Final answer
    x = 110,793.03

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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.