Home / 117,933.31-162,745.63-64,218.97

Finding the Fourth Proportional to 117,933.31, 162,745.63 and 64,218.97

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Solution

The fourth proportional to 117,933.31, 162,745.63 and 64,218.97 is: 88,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,933.31 : 162,745.63 = 64,218.97 : x
  2. Step 2: Convert to fraction form
    117,933.31/162,745.63 = 64,218.97/x
  3. Step 3: Cross multiply
    117,933.31x = 162,745.63 × 64,218.97
  4. Step 4: Simplify right side
    117,933.31x = 10,451,356,730.60
  5. Step 5: Solve for x
    x = 10,451,356,730.60/117,933.31
  6. Step 6: Final answer
    x = 88,620.91

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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.