Home / 189,358.75-261,320.54-104,481.28

Finding the Fourth Proportional to 189,358.75, 261,320.54 and 104,481.28

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Solution

The fourth proportional to 189,358.75, 261,320.54 and 104,481.28 is: 144,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,358.75 : 261,320.54 = 104,481.28 : x
  2. Step 2: Convert to fraction form
    189,358.75/261,320.54 = 104,481.28/x
  3. Step 3: Cross multiply
    189,358.75x = 261,320.54 × 104,481.28
  4. Step 4: Simplify right side
    189,358.75x = 27,303,104,509.49
  5. Step 5: Solve for x
    x = 27,303,104,509.49/189,358.75
  6. Step 6: Final answer
    x = 144,187.18

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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.