Home / 148,832.96-205,391.01-80,851.28

Finding the Fourth Proportional to 148,832.96, 205,391.01 and 80,851.28

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Solution

The fourth proportional to 148,832.96, 205,391.01 and 80,851.28 is: 111,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,832.96 : 205,391.01 = 80,851.28 : x
  2. Step 2: Convert to fraction form
    148,832.96/205,391.01 = 80,851.28/x
  3. Step 3: Cross multiply
    148,832.96x = 205,391.01 × 80,851.28
  4. Step 4: Simplify right side
    148,832.96x = 16,606,125,032.04
  5. Step 5: Solve for x
    x = 16,606,125,032.04/148,832.96
  6. Step 6: Final answer
    x = 111,575.59

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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.