Home / 121,331.90-181,997.85-110,251.10

Finding the Fourth Proportional to 121,331.90, 181,997.85 and 110,251.10

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Solution

The fourth proportional to 121,331.90, 181,997.85 and 110,251.10 is: 165,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,331.90 : 181,997.85 = 110,251.10 : x
  2. Step 2: Convert to fraction form
    121,331.90/181,997.85 = 110,251.10/x
  3. Step 3: Cross multiply
    121,331.90x = 181,997.85 × 110,251.10
  4. Step 4: Simplify right side
    121,331.90x = 20,065,463,160.14
  5. Step 5: Solve for x
    x = 20,065,463,160.14/121,331.90
  6. Step 6: Final answer
    x = 165,376.65

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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.