Home / 189,164.39-261,048.61-104,284.49

Finding the Fourth Proportional to 189,164.39, 261,048.61 and 104,284.49

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Solution

The fourth proportional to 189,164.39, 261,048.61 and 104,284.49 is: 143,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,164.39 : 261,048.61 = 104,284.49 : x
  2. Step 2: Convert to fraction form
    189,164.39/261,048.61 = 104,284.49/x
  3. Step 3: Cross multiply
    189,164.39x = 261,048.61 × 104,284.49
  4. Step 4: Simplify right side
    189,164.39x = 27,223,321,159.06
  5. Step 5: Solve for x
    x = 27,223,321,159.06/189,164.39
  6. Step 6: Final answer
    x = 143,913.56

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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.