Home / 189,310.34-261,228.08-104,427.39

Finding the Fourth Proportional to 189,310.34, 261,228.08 and 104,427.39

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Solution

The fourth proportional to 189,310.34, 261,228.08 and 104,427.39 is: 144,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,310.34 : 261,228.08 = 104,427.39 : x
  2. Step 2: Convert to fraction form
    189,310.34/261,228.08 = 104,427.39/x
  3. Step 3: Cross multiply
    189,310.34x = 261,228.08 × 104,427.39
  4. Step 4: Simplify right side
    189,310.34x = 27,279,366,066.97
  5. Step 5: Solve for x
    x = 27,279,366,066.97/189,310.34
  6. Step 6: Final answer
    x = 144,098.66

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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.