Home / 189,370.87-261,331.62-104,487.94

Finding the Fourth Proportional to 189,370.87, 261,331.62 and 104,487.94

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Solution

The fourth proportional to 189,370.87, 261,331.62 and 104,487.94 is: 144,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,370.87 : 261,331.62 = 104,487.94 : x
  2. Step 2: Convert to fraction form
    189,370.87/261,331.62 = 104,487.94/x
  3. Step 3: Cross multiply
    189,370.87x = 261,331.62 × 104,487.94
  4. Step 4: Simplify right side
    189,370.87x = 27,306,002,630.66
  5. Step 5: Solve for x
    x = 27,306,002,630.66/189,370.87
  6. Step 6: Final answer
    x = 144,193.26

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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.