Home / 113,471.88-156,538.64-73,198.62

Finding the Fourth Proportional to 113,471.88, 156,538.64 and 73,198.62

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Solution

The fourth proportional to 113,471.88, 156,538.64 and 73,198.62 is: 100,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,471.88 : 156,538.64 = 73,198.62 : x
  2. Step 2: Convert to fraction form
    113,471.88/156,538.64 = 73,198.62/x
  3. Step 3: Cross multiply
    113,471.88x = 156,538.64 × 73,198.62
  4. Step 4: Simplify right side
    113,471.88x = 11,458,412,424.68
  5. Step 5: Solve for x
    x = 11,458,412,424.68/113,471.88
  6. Step 6: Final answer
    x = 100,980.19

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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.