Home / 120,740.17-181,110.26-45,860.14

Finding the Fourth Proportional to 120,740.17, 181,110.26 and 45,860.14

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Solution

The fourth proportional to 120,740.17, 181,110.26 and 45,860.14 is: 68,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,740.17 : 181,110.26 = 45,860.14 : x
  2. Step 2: Convert to fraction form
    120,740.17/181,110.26 = 45,860.14/x
  3. Step 3: Cross multiply
    120,740.17x = 181,110.26 × 45,860.14
  4. Step 4: Simplify right side
    120,740.17x = 8,305,741,879.04
  5. Step 5: Solve for x
    x = 8,305,741,879.04/120,740.17
  6. Step 6: Final answer
    x = 68,790.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.