Home / 142,815.92-214,253.91-54,067.46

Finding the Fourth Proportional to 142,815.92, 214,253.91 and 54,067.46

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Solution

The fourth proportional to 142,815.92, 214,253.91 and 54,067.46 is: 81,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,815.92 : 214,253.91 = 54,067.46 : x
  2. Step 2: Convert to fraction form
    142,815.92/214,253.91 = 54,067.46/x
  3. Step 3: Cross multiply
    142,815.92x = 214,253.91 × 54,067.46
  4. Step 4: Simplify right side
    142,815.92x = 11,584,163,637.50
  5. Step 5: Solve for x
    x = 11,584,163,637.50/142,815.92
  6. Step 6: Final answer
    x = 81,112.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.