Home / 143,732.48-198,356.94-80,070.26

Finding the Fourth Proportional to 143,732.48, 198,356.94 and 80,070.26

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Solution

The fourth proportional to 143,732.48, 198,356.94 and 80,070.26 is: 110,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,732.48 : 198,356.94 = 80,070.26 : x
  2. Step 2: Convert to fraction form
    143,732.48/198,356.94 = 80,070.26/x
  3. Step 3: Cross multiply
    143,732.48x = 198,356.94 × 80,070.26
  4. Step 4: Simplify right side
    143,732.48x = 15,882,491,758.60
  5. Step 5: Solve for x
    x = 15,882,491,758.60/143,732.48
  6. Step 6: Final answer
    x = 110,500.37

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1.5x scale

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.