Home / 189,342.27-261,287.96-104,459.31

Finding the Fourth Proportional to 189,342.27, 261,287.96 and 104,459.31

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Solution

The fourth proportional to 189,342.27, 261,287.96 and 104,459.31 is: 144,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,342.27 : 261,287.96 = 104,459.31 : x
  2. Step 2: Convert to fraction form
    189,342.27/261,287.96 = 104,459.31/x
  3. Step 3: Cross multiply
    189,342.27x = 261,287.96 × 104,459.31
  4. Step 4: Simplify right side
    189,342.27x = 27,293,959,490.61
  5. Step 5: Solve for x
    x = 27,293,959,490.61/189,342.27
  6. Step 6: Final answer
    x = 144,151.43

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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.