Home / 189,447.48-261,439.68-104,564.58

Finding the Fourth Proportional to 189,447.48, 261,439.68 and 104,564.58

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Solution

The fourth proportional to 189,447.48, 261,439.68 and 104,564.58 is: 144,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,447.48 : 261,439.68 = 104,564.58 : x
  2. Step 2: Convert to fraction form
    189,447.48/261,439.68 = 104,564.58/x
  3. Step 3: Cross multiply
    189,447.48x = 261,439.68 × 104,564.58
  4. Step 4: Simplify right side
    189,447.48x = 27,337,330,334.53
  5. Step 5: Solve for x
    x = 27,337,330,334.53/189,447.48
  6. Step 6: Final answer
    x = 144,300.31

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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.