Home / 189,130.33-261,001.61-104,250.43

Finding the Fourth Proportional to 189,130.33, 261,001.61 and 104,250.43

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Solution

The fourth proportional to 189,130.33, 261,001.61 and 104,250.43 is: 143,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,130.33 : 261,001.61 = 104,250.43 : x
  2. Step 2: Convert to fraction form
    189,130.33/261,001.61 = 104,250.43/x
  3. Step 3: Cross multiply
    189,130.33x = 261,001.61 × 104,250.43
  4. Step 4: Simplify right side
    189,130.33x = 27,209,530,073.19
  5. Step 5: Solve for x
    x = 27,209,530,073.19/189,130.33
  6. Step 6: Final answer
    x = 143,866.56

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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.