Home / 159,183.54-219,670.98-87,559.32

Finding the Fourth Proportional to 159,183.54, 219,670.98 and 87,559.32

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Solution

The fourth proportional to 159,183.54, 219,670.98 and 87,559.32 is: 120,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,183.54 : 219,670.98 = 87,559.32 : x
  2. Step 2: Convert to fraction form
    159,183.54/219,670.98 = 87,559.32/x
  3. Step 3: Cross multiply
    159,183.54x = 219,670.98 × 87,559.32
  4. Step 4: Simplify right side
    159,183.54x = 19,234,241,632.53
  5. Step 5: Solve for x
    x = 19,234,241,632.53/159,183.54
  6. Step 6: Final answer
    x = 120,830.59

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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.