Home / 148,833.06-205,388.91-80,849.58

Finding the Fourth Proportional to 148,833.06, 205,388.91 and 80,849.58

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Solution

The fourth proportional to 148,833.06, 205,388.91 and 80,849.58 is: 111,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,833.06 : 205,388.91 = 80,849.58 : x
  2. Step 2: Convert to fraction form
    148,833.06/205,388.91 = 80,849.58/x
  3. Step 3: Cross multiply
    148,833.06x = 205,388.91 × 80,849.58
  4. Step 4: Simplify right side
    148,833.06x = 16,605,607,110.16
  5. Step 5: Solve for x
    x = 16,605,607,110.16/148,833.06
  6. Step 6: Final answer
    x = 111,572.03

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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.