Home / 101,922.32-140,719.41-66,214.10

Finding the Fourth Proportional to 101,922.32, 140,719.41 and 66,214.10

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Solution

The fourth proportional to 101,922.32, 140,719.41 and 66,214.10 is: 91,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,922.32 : 140,719.41 = 66,214.10 : x
  2. Step 2: Convert to fraction form
    101,922.32/140,719.41 = 66,214.10/x
  3. Step 3: Cross multiply
    101,922.32x = 140,719.41 × 66,214.10
  4. Step 4: Simplify right side
    101,922.32x = 9,317,608,382.08
  5. Step 5: Solve for x
    x = 9,317,608,382.08/101,922.32
  6. Step 6: Final answer
    x = 91,418.73

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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.