Home / 115,609.21-159,561.01-67,226.11

Finding the Fourth Proportional to 115,609.21, 159,561.01 and 67,226.11

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Solution

The fourth proportional to 115,609.21, 159,561.01 and 67,226.11 is: 92,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.21 : 159,561.01 = 67,226.11 : x
  2. Step 2: Convert to fraction form
    115,609.21/159,561.01 = 67,226.11/x
  3. Step 3: Cross multiply
    115,609.21x = 159,561.01 × 67,226.11
  4. Step 4: Simplify right side
    115,609.21x = 10,726,665,278.80
  5. Step 5: Solve for x
    x = 10,726,665,278.80/115,609.21
  6. Step 6: Final answer
    x = 92,783.83

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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.