Home / 189,435.48-261,419.67-104,552.54

Finding the Fourth Proportional to 189,435.48, 261,419.67 and 104,552.54

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Solution

The fourth proportional to 189,435.48, 261,419.67 and 104,552.54 is: 144,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,435.48 : 261,419.67 = 104,552.54 : x
  2. Step 2: Convert to fraction form
    189,435.48/261,419.67 = 104,552.54/x
  3. Step 3: Cross multiply
    189,435.48x = 261,419.67 × 104,552.54
  4. Step 4: Simplify right side
    189,435.48x = 27,332,089,197.36
  5. Step 5: Solve for x
    x = 27,332,089,197.36/189,435.48
  6. Step 6: Final answer
    x = 144,281.79

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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.