Home / 243,032.05-335,249.44-142,410.61

Finding the Fourth Proportional to 243,032.05, 335,249.44 and 142,410.61

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Solution

The fourth proportional to 243,032.05, 335,249.44 and 142,410.61 is: 196,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,032.05 : 335,249.44 = 142,410.61 : x
  2. Step 2: Convert to fraction form
    243,032.05/335,249.44 = 142,410.61/x
  3. Step 3: Cross multiply
    243,032.05x = 335,249.44 × 142,410.61
  4. Step 4: Simplify right side
    243,032.05x = 47,743,077,252.56
  5. Step 5: Solve for x
    x = 47,743,077,252.56/243,032.05
  6. Step 6: Final answer
    x = 196,447.66

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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.