Home / 189,156.33-261,037.76-104,276.43

Finding the Fourth Proportional to 189,156.33, 261,037.76 and 104,276.43

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Solution

The fourth proportional to 189,156.33, 261,037.76 and 104,276.43 is: 143,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,156.33 : 261,037.76 = 104,276.43 : x
  2. Step 2: Convert to fraction form
    189,156.33/261,037.76 = 104,276.43/x
  3. Step 3: Cross multiply
    189,156.33x = 261,037.76 × 104,276.43
  4. Step 4: Simplify right side
    189,156.33x = 27,220,085,186.61
  5. Step 5: Solve for x
    x = 27,220,085,186.61/189,156.33
  6. Step 6: Final answer
    x = 143,902.59

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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.