Home / 189,723.52-261,818.55-104,840.58

Finding the Fourth Proportional to 189,723.52, 261,818.55 and 104,840.58

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Solution

The fourth proportional to 189,723.52, 261,818.55 and 104,840.58 is: 144,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,723.52 : 261,818.55 = 104,840.58 : x
  2. Step 2: Convert to fraction form
    189,723.52/261,818.55 = 104,840.58/x
  3. Step 3: Cross multiply
    189,723.52x = 261,818.55 × 104,840.58
  4. Step 4: Simplify right side
    189,723.52x = 27,449,208,112.56
  5. Step 5: Solve for x
    x = 27,449,208,112.56/189,723.52
  6. Step 6: Final answer
    x = 144,680.05

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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.