Home / 143,608.55-215,092.06-104,074.88

Finding the Fourth Proportional to 143,608.55, 215,092.06 and 104,074.88

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Solution

The fourth proportional to 143,608.55, 215,092.06 and 104,074.88 is: 155,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,608.55 : 215,092.06 = 104,074.88 : x
  2. Step 2: Convert to fraction form
    143,608.55/215,092.06 = 104,074.88/x
  3. Step 3: Cross multiply
    143,608.55x = 215,092.06 × 104,074.88
  4. Step 4: Simplify right side
    143,608.55x = 22,385,678,997.81
  5. Step 5: Solve for x
    x = 22,385,678,997.81/143,608.55
  6. Step 6: Final answer
    x = 155,879.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.