Home / 115,067.98-158,761.73-74,214.82

Finding the Fourth Proportional to 115,067.98, 158,761.73 and 74,214.82

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Solution

The fourth proportional to 115,067.98, 158,761.73 and 74,214.82 is: 102,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,067.98 : 158,761.73 = 74,214.82 : x
  2. Step 2: Convert to fraction form
    115,067.98/158,761.73 = 74,214.82/x
  3. Step 3: Cross multiply
    115,067.98x = 158,761.73 × 74,214.82
  4. Step 4: Simplify right side
    115,067.98x = 11,782,473,214.84
  5. Step 5: Solve for x
    x = 11,782,473,214.84/115,067.98
  6. Step 6: Final answer
    x = 102,395.76

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1.5x scale

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.