Home / 189,167.96-261,053.54-104,288.06

Finding the Fourth Proportional to 189,167.96, 261,053.54 and 104,288.06

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Solution

The fourth proportional to 189,167.96, 261,053.54 and 104,288.06 is: 143,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167.96 : 261,053.54 = 104,288.06 : x
  2. Step 2: Convert to fraction form
    189,167.96/261,053.54 = 104,288.06/x
  3. Step 3: Cross multiply
    189,167.96x = 261,053.54 × 104,288.06
  4. Step 4: Simplify right side
    189,167.96x = 27,224,765,416.02
  5. Step 5: Solve for x
    x = 27,224,765,416.02/189,167.96
  6. Step 6: Final answer
    x = 143,918.48

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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.