Home / 189,061.25-260,910.02-104,183.78

Finding the Fourth Proportional to 189,061.25, 260,910.02 and 104,183.78

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Solution

The fourth proportional to 189,061.25, 260,910.02 and 104,183.78 is: 143,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,061.25 : 260,910.02 = 104,183.78 : x
  2. Step 2: Convert to fraction form
    189,061.25/260,910.02 = 104,183.78/x
  3. Step 3: Cross multiply
    189,061.25x = 260,910.02 × 104,183.78
  4. Step 4: Simplify right side
    189,061.25x = 27,182,592,123.48
  5. Step 5: Solve for x
    x = 27,182,592,123.48/189,061.25
  6. Step 6: Final answer
    x = 143,776.64

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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.