Home / 143,732.33-198,374.24-80,090.63

Finding the Fourth Proportional to 143,732.33, 198,374.24 and 80,090.63

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Solution

The fourth proportional to 143,732.33, 198,374.24 and 80,090.63 is: 110,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,732.33 : 198,374.24 = 80,090.63 : x
  2. Step 2: Convert to fraction form
    143,732.33/198,374.24 = 80,090.63/x
  3. Step 3: Cross multiply
    143,732.33x = 198,374.24 × 80,090.63
  4. Step 4: Simplify right side
    143,732.33x = 15,887,917,857.37
  5. Step 5: Solve for x
    x = 15,887,917,857.37/143,732.33
  6. Step 6: Final answer
    x = 110,538.23

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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.