Home / 189,333.64-261,280.41-104,450.70

Finding the Fourth Proportional to 189,333.64, 261,280.41 and 104,450.70

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Solution

The fourth proportional to 189,333.64, 261,280.41 and 104,450.70 is: 144,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,333.64 : 261,280.41 = 104,450.70 : x
  2. Step 2: Convert to fraction form
    189,333.64/261,280.41 = 104,450.70/x
  3. Step 3: Cross multiply
    189,333.64x = 261,280.41 × 104,450.70
  4. Step 4: Simplify right side
    189,333.64x = 27,290,922,308.90
  5. Step 5: Solve for x
    x = 27,290,922,308.90/189,333.64
  6. Step 6: Final answer
    x = 144,141.96

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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.